Tomorrow.io · JSON Structure

Weather Values Structure

Map of weather data field names to numeric values for one timestep.

Type: object Properties: 37

WeatherClimateForecastHistorical WeatherAir QualityPollenFireFloodRoutesMap TilesAviationMaritimePublic APIs

WeatherValues is a JSON Structure definition published by Tomorrow.io, describing 37 properties. It conforms to the https://json-structure.org/meta/core/v0/# meta-schema.

Properties

temperature temperatureApparent humidity dewPoint windSpeed windDirection windGust pressureSeaLevel pressureSurfaceLevel precipitationIntensity precipitationProbability precipitationType cloudCover cloudBase cloudCeiling visibility weatherCode uvIndex uvHealthConcern epaIndex epaHealthConcern epaPrimaryPollutant particulateMatter25 particulateMatter10 pollutantO3 pollutantNO2 pollutantCO pollutantSO2 treeIndex grassIndex weedIndex fireIndex solarGHI solarDIF solarDIR moonPhase hailBinary

Meta-schema: https://json-structure.org/meta/core/v0/#

JSON Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/tomorrow/refs/heads/main/json-structure/weather-values-structure.json",
  "name": "WeatherValues",
  "description": "Map of weather data field names to numeric values for one timestep.",
  "type": "object",
  "properties": {
    "temperature": {
      "type": "double",
      "description": "Air temperature (Celsius for metric, Fahrenheit for imperial).",
      "example": 21.2
    },
    "temperatureApparent": {
      "type": "double",
      "example": 20.4
    },
    "humidity": {
      "type": "double",
      "example": 64.0
    },
    "dewPoint": {
      "type": "double",
      "example": 13.4
    },
    "windSpeed": {
      "type": "double",
      "example": 3.1
    },
    "windDirection": {
      "type": "double",
      "example": 220
    },
    "windGust": {
      "type": "double",
      "example": 6.2
    },
    "pressureSeaLevel": {
      "type": "double",
      "example": 1013.2
    },
    "pressureSurfaceLevel": {
      "type": "double",
      "example": 1010.5
    },
    "precipitationIntensity": {
      "type": "double",
      "example": 0.0
    },
    "precipitationProbability": {
      "type": "double",
      "example": 5
    },
    "precipitationType": {
      "type": "int32",
      "example": 0
    },
    "cloudCover": {
      "type": "double",
      "example": 12
    },
    "cloudBase": {
      "type": "double",
      "example": 1.5
    },
    "cloudCeiling": {
      "type": "double",
      "example": 2.4
    },
    "visibility": {
      "type": "double",
      "example": 16
    },
    "weatherCode": {
      "type": "int32",
      "example": 1000
    },
    "uvIndex": {
      "type": "int32",
      "example": 6
    },
    "uvHealthConcern": {
      "type": "int32",
      "example": 2
    },
    "epaIndex": {
      "type": "int32",
      "example": 42
    },
    "epaHealthConcern": {
      "type": "int32",
      "example": 1
    },
    "epaPrimaryPollutant": {
      "type": "int32",
      "example": 0
    },
    "particulateMatter25": {
      "type": "double",
      "example": 8.4
    },
    "particulateMatter10": {
      "type": "double",
      "example": 14.1
    },
    "pollutantO3": {
      "type": "double",
      "example": 28
    },
    "pollutantNO2": {
      "type": "double",
      "example": 11
    },
    "pollutantCO": {
      "type": "double",
      "example": 0.4
    },
    "pollutantSO2": {
      "type": "double",
      "example": 1
    },
    "treeIndex": {
      "type": "int32",
      "example": 2
    },
    "grassIndex": {
      "type": "int32",
      "example": 1
    },
    "weedIndex": {
      "type": "int32",
      "example": 1
    },
    "fireIndex": {
      "type": "double",
      "example": 8.2
    },
    "solarGHI": {
      "type": "double",
      "example": 480
    },
    "solarDIF": {
      "type": "double",
      "example": 120
    },
    "solarDIR": {
      "type": "double",
      "example": 360
    },
    "moonPhase": {
      "type": "int32",
      "example": 3
    },
    "hailBinary": {
      "type": "int32",
      "example": 0
    }
  },
  "additionalProperties": true
}