Weather
Variants seen in the corpus:
Weatherweather
Providers using this tag (115)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 1 Complete, well-documented, and agent-ready
Strong 6 Solid coverage with minor gaps
Developing 32 Usable, with meaningful gaps to close
MISOShipFinder AIS Data APIAppleSolcastMCP360SkymerseGoogle Maps PlatformSofar OceanOpenUVAzure MapsMapTilerWeatherAPIRainbow.AIServiceChannelGoogleClimateAIVerdigris TechnologiesStormglassNASA Open APIsYrXweatherAccuWeatherMeteomaticsWeather UndergroundWorld Air Quality Index (WAQI)NOAAOpen-MeteoNOAA — National Oceanic and Atmospheric AdministrationWeather.govTomorrow.ioWeatherbitOpenWeather
Thin 28 Limited public surface area
SinayIQAir AirVisualAviation Weather CenterWindyDark SkyWorld Meteorological OrganizationThe National Aeronautics and Space AdministrationSunrise SunsetAmbeeDanish Meteorological InstitutesUrban SkyColorfulCloudsMeteoSource Air Quality Data APINOAA CO-OPSHERE TechnologiesVATSIMAgromonitoringLufthansaRevolutioMixerBoxJAXAUnited TechnologiesUS Department of CommerceNational Weather ServiceFarmers EdgeHeathrow AirportSearoutesOpenF1
Emerging 20 Early or largely undocumented
Minimal 28 Almost no public developer surface
APIs with this tag (104)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Exemplar 6 Complete, well-documented, and agent-ready
Tomorrow.io Alerts APICreate and manage threshold-based weather alerts that evaluate Tomorrow.io data layers against custom rules...Tomorrow.io Events APIRetrieve severe weather events, fires, floods, lightning swarms, and custom vector events affecting a point...Tomorrow.io Historical Weather APIRetrieve historical weather observations and monthly climate normals for any point or polygon on Earth usin...Tomorrow.io Insights APIDefine and manage reusable Insights — named rules combining Tomorrow.io data layers, operators, and thresho...Tomorrow.io Locations APIManage saved locations (points, polygons, lines) referenced by ``locationId`` across the Tomorrow.io APIs, ...Tomorrow.io Weather on Routes APIRetrieve weather along an arbitrary polyline of waypoints at the times each segment is expected to be trave...
Strong 28 Solid coverage with minor gaps
APIFreaks MCP ServerOfficial first-party Model Context Protocol server (Apache-2.0) exposing 59 read-only tools across 13 categ...Barchart Weather APICurrent conditions and forecasts.Terabase Energy Weather APIWeather file import, download, and managementDTN Agency Bulletin APIThe DTN Agency Bulletin API (ABA) provides access to the latest weather bulletins published by the national...DTN Alerting APIAccess the latest global weather bulletins. CAP delivery of the DTN alerts and national agencies bulletins.DTN Climatology APIThis service empowers consumers with accurate, global, location-specific climatological data to help inform...DTN Energy Event Index APIAPI for utility companies to access EEI forecasts that translate weather data into actionable risk levels. ...DTN Enhanced Flight Hazards APIProvides data for EDR turbulence (including Nowcast), icing & HIWC, thunderstorms, ozone, jet stream axis, ...DTN Lightning APIThe DTN Lightning API provides you access to worldwide near real-time and historical lightning data.DTN Map Tile APIDTN API for various mapping services.. A wide range of vector and raster map layers.DTN Marine Weather APIThe DTN Marine Weather API (MWA) is an all-in-one solution to integrate the DTN high-resolution marine weat...DTN METARs APIMETARs are a key piece of information required for flight planning and flight operations. DTN METAR API all...DTN NOTAMs APIThe DTN NOTAM API is an all-encompassing solution to retrieve the most current NOTAM from multiple availabl...DTN Pavement Conditions APIDTN is developing the platform to supply road data on OSM segments across North America and Europe, allowin...DTN PIREPs APIPIREPS are a key piece of information required for flight planning and flight operations. DTN PIREP API all...DTN Point Forecast APIDTN Point Forecast API delivers high-quality weather forecasts for specified locations. Provides hourly and...DTN Point Observation APIDTN Point Observation API delivers high-quality weather observation data from weather stations and location...DTN Probabilistic APIThis API caters to a wide range of users, including: Risk managers assessing weather-related operational ri...DTN Radar Precipitation Forecast APIDTN Radar Precipitation Forecast API provides short-term precipitation forecasts derived from radar data. S...DTN RadarScope APIHow to request radar and text products from RadarScope serversDTN Renewables APIDTN’s Renewables API empowers consumers with accurate, global, location-specific environmental data tailore...DTN SIGMETs/AIRMETs APIThe DTN Aviation SIGMET/AIRMET API retrieves available SIGMET, Convective SIGMET, SIERRA (visibility) AIRME...DTN Storm Impact AnalyticsThe models are trained using customer provided data to ensure the predictions are tailored to a specific se...DTN Storm Risk Analytics APIThe DTN Storm Risk Analytics API delivers AI/ML electricity customers out and weather risk predictions to e...DTN TAFs APITAFs are a key piece of information required for flight planning and flight operations. DTN TAF API allows ...DTN Tropical Cyclone APIDTN's Tropical Cyclone API provides geospatial data for active tropical cyclones, including past tracks, cu...DTN Weather Conditions APIDTN Weather Conditions API delivers worldwide forecast, current condition, and historical weather data. The...DTN Winds Aloft APIWinds Aloft are a key piece of information for flight planning and flight operations. DTN Winds Aloft allow...
Developing 17 Usable, with meaningful gaps to close
MISO Weather APIThe Weather API from MISO — 1 operation(s) for weather.WeatherKit REST APIAccess weather forecasts, current conditions, and historical weather data.MCP360 Weather APIThe weather API from MCP360 — 3 operation(s) for weather.Weather APIProvide comprehensive weather information including temperature, precipitation, wind, cloud cover, and fore...Azure Maps Weather APIProvides current weather conditions, hourly and daily forecasts, severe weather alerts, weather along a rou...MapTiler Weather APIThe Weather API from MapTiler — 1 operation(s) for weather.WeatherAPI Weather APIReal-time and forecast weather endpointsServiceChannel Weather APIThe Weather API from ServiceChannel — 2 operation(s) for weather.Google Weather APIThe Google Weather API delivers hyperlocal, real-time weather dataincluding current conditions, hourly and ...Verdigris Technologies Weather APIEndpoints that return weather dataStormglass Weather APIPoint weather forecasts and historical weather dataNASA Open APIs Weather APIThe Weather API from NASA Open APIs — 1 operation(s) for weather.Weatherbit Ag-Weather APIAgricultural weather data using the GLDAS re-analysis with global coverage at 0.25-degree resolution. Inclu...Weatherbit Historical Weather APIHigh-resolution historical weather data backed by over 120,000 weather stations and gridded datasets. Inclu...Weatherbit Severe Weather Alerts APIReturns severe weather alerts issued by local meteorological agencies. Covers the USA (NOAA), EU nations an...Weatherbit Weather Forecast APIProvides accurate weather forecasts using high-resolution global and regional weather models. Includes 16-d...OpenWeather Air Pollution APICurrent, forecast, and historical air pollution data.
Thin 15 Limited public surface area
World Weather Information Service APIThe WMO World Weather Information Service (WWIS) provides public JSON endpoints delivering official city we...InSight - Mars Weather ServicePer-Sol summary data for each of the last seven available Sols (Martian days) from the InSight lander on Mars.Ambee Weather APIThe Weather API from Ambee — 3 operation(s) for weather.ColorfulClouds Weather APICombined weather envelope returning realtime, minutely, hourly, daily, and alerts in one call.MeteoSource Air Quality Data API Weather APICurrent and forecasted weather endpoints.HERE Destination Weather APICurrent conditions, forecasts, and severe weather alerts at a coordinate or destination, intended to enrich...VATSIM METAR APIThe METAR API from VATSIM — 1 operation(s) for metar.Agromonitoring Weather APICurrent, forecast, and historical weather dataLufthansa FlightOps and Crew APIThe FlightOps and Crew API provides crew-specific services including check-in times, duty events, and weath...JAXA Himawari P-Tree Data ServiceProvides near-real-time and archive access to Himawari geostationary meteorological satellite imagery and d...United Technologies Weather APIAviation weather data operationsNOAA Climate and Weather APIThe NOAA Climate Data Online Web Services API provides access to climate data including temperature, precip...Heathrow Weather APIHeathrow's Weather API provides up to date information on weather conditions at most airports worldwide, ex...Searoutes Weather APIHistorical, real-time, and forecasted weather.OpenF1 Weather APIThe Weather API from OpenF1 — 1 operation(s) for weather.
Emerging 14 Early or largely undocumented
FarmLogs Weather & RainfallField-level rainfall and weather tracking with season-over-season comparisons. Bushel Farm continues to mar...FleetMon Weather APIReturns weather info for lat/lon (and timestamp).APILayer Marketplace APIThe APILayer Marketplace API provides access to 100+ APIs across geolocation, currency, weather, dev tools,...Cropio Weather APIRead-only weather station data (real and virtual stations) keyed by geoposition, including a rolling 24-hou...Xweather Weather APIRESTful weather data API providing access to 60+ endpoints for current conditions, forecasts, observations,...GEMS Informatics Exchange APIsA collection of agricultural and geospatial data APIs from GEMS Informatics at the University of Minnesota,...OpenWeatherMap APIOpenWeatherMap provides weather data APIs used in HVAC automation to adapt cooling/heating based on outdoor...Major League Baseball Weather APIThe Weather API from Major League Baseball — 4 operation(s) for weather.CropX Sensor HardwareIn-field IoT hardware - SV soil sensors, ET evapotranspiration sensors, WS weather stations, RG rain gauges...WindBorne Data APIREST API serving balloon observations, soundings, WeatherMesh point and gridded forecasts, constellation/fl...Spire Weather and Climate APIRESTful weather and climate APIs covering global numerical weather prediction outputs, ocean currents, sali...BreezoMeter Weather APIAdvanced weather forecast API providing current conditions, hourly forecasts for up to 5 days, and daily fo...Columbia Sportswear Digital Developer PortalColumbia Sportswear's partner-facing API platform hosted on Microsoft Azure API Management. The portal orga...api.weather.gov (NOAA NWS)National Weather Service REST + JSON-LD API at api.weather.gov delivering open weather forecasts, alerts, a...
Minimal 24 Almost no public developer surface
RainViewerRadar data collected from different websites across the Internet7Timer!Weather, especially for AstroweatherAemetWeather and forecast data from SpainAPIXUWeatherAQICNAir Quality Index Data for over 1000 citiesEuskalmetMeteorological data of the Basque CountryForecaWeatherHG WeatherProvides weather forecast data for cities in BrazilHong Kong ObervatoryProvide weather information, earthquake information, and climate dataIPMAPortuguese weather and climate dataMetaWeatherWeatherMeteorologisk InstituttWeather and climate dataMicro WeatherReal time weather forecasts and historic dataODWeatherWeather and weather webcamsOikolab70+ years of global, hourly historical and forecast weather data from NOAA and ECMWFopenSenseMapData from Personal Weather Stations called senseBoxesPirate WeatherFree weather API with forecast data similar to Dark SkyQWeatherLocation-based weather dataUS WeatherUS National Weather ServiceVisual CrossingGlobal historical and weather forecast dataWeatherstackReal-Time & Historical World Weather Data APIwttr.inWeather in your terminal, supports JSON outputYandex.WeatherAssesses weather condition in specific locationsweather-apiA RESTful free API to check the weather
Score breakdown
Frequency
62.9
log-scaled weighted occurrences
Breadth
3.2
spread across providers
Quality lift
34.8
mean composite of providers using it
Cohesion
13.0
strength of nearest seed neighbor
Related tags
Forecast 31 co-occurrences
Air Quality 19 co-occurrences
Climate 28 co-occurrences
Forecasting 15 co-occurrences
Observations 9 co-occurrences
Geolocation 11 co-occurrences
Stations 9 co-occurrences
Maps 11 co-occurrences
Where this tag comes from
Provider tag85
Api tag104
Openapi tag16
Openapi op tag33
Cohort brief
Auto-generatedThe 115 providers in the APIs.io catalog tagged Weather, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.
Providers
115
all scored
Mean Kin Score
28.9
+8.2 vs catalog 20.7
Mean Agent Readiness
16.4
+6.7 vs catalog 9.7
Spread
5–66.6
median 30.1 · σ 17.4
How the 115 split by band
Exemplar 1Strong 6Developing 32Thin 28Emerging 20Minimal 28
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Contract Quality | 34 | 17.5 | +16.5 | 115 |
| Discoverability | 68.4 | 60.4 | +8 | 115 |
| Access Clarity | 27.9 | 22.3 | +5.6 | 115 |
| Operational Transparency | 15.4 | 11.3 | +4.1 | 115 |
| Contract Governance | 10.1 | 6.4 | +3.7 | 115 |
| Developer Ergonomics | 21.6 | 17.9 | +3.7 | 115 |
A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.
What this cohort publishes
| Artifact | This cohort | Catalog | Difference |
|---|---|---|---|
| MCP server (any) | 17% | 16% | +1 |
| MCP server (first-party) | 5% | 7% | -2 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 8% | 9% | -1 |
| Security | 97% | 88% | +9 |
| Arazzo workflows | 5% | 2% | +3 |
| Governance rules | 35% | 13% | +22 |
mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.
Top by Kin Score
- 1 Tomorrow.io 66.6
- 2 APIFreaks - API Hub for Developers 62.9
- 3 OpenWeatherMap 62.3
- 4 Barchart 61.6
- 5 Terabase Energy 61
- 6 Atmospore Pollen Forecasts 58.9
- 7 DTN 57
- 8 MISO 54
- 9 ShipFinder AIS Data API 53.9
- 10 Apple 52.8
Top by Agent Readiness
- 1 Terabase Energy 60.6
- 2 Atmospore Pollen Forecasts 40.2
- 3 Google 39.2
- 4 Verdigris Technologies 36.9
- 5 Dark Sky 35.4
- 6 World Air Quality Index (WAQI) 35.4
- 7 Skymerse 34.6
- 8 DTN 32.9
- 9 ShipFinder AIS Data API 32.9
- 10 Sofar Ocean 32.7
All 115 members of this roster resolve to a scored provider in
the catalog.Generated from the catalog build of
25 August 2026, across 26891
providers, using the same computation served by the
APIs.io cohort API. Briefs are published for rosters of
5 or more scored providers; below that a distribution is not meaningful.
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.
MCP server
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https://apis.io/mcp
Tools for tags
7 MCP tools reach this
find_tagsBrowse and filter every tag in the catalog.get_cohortThis tag as a scored cohort — every provider carrying it, with scores.cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This tag
curl "https://apis.io/api/v1/tags/weather"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/tag/weather"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/weather/stats" \
-H "X-API-Key: $APIS_IO_KEY"Discovery needs no key. Ratings and market analysis are Pro.