Wsdot Weather Readings API (1.0.0)

Download OpenAPI specification:

Wsdot Weather Readings API - Washington State Department of Transportation APIs

weather-readings

Comprehensive weather readings from all WSDOT weather stations statewide.

List comprehensive weather readings from all weather stations.

Responses

Request samples

JavaScript

import { fetchWeatherReadings } from 'ws-dottie/wsdot-weather-readings/core';

const data = await fetchWeatherReadings({
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

200

Content type

application/json

Example of a successful response from the API (showing first item of 131 total)

[{"StationId": "TALPE",
"StationName": "090ws05226 - Alpental",
"Latitude": 47.427,
"Longitude": -121.418,
"Elevation": 876,
"ReadingTime": "2025-11-16T01:38:33.000Z",
"AirTemperature": 8.2,
"RelativeHumidty": 100,
"AverageWindSpeed": 3,
"AverageWindDirection": 355,
"WindGust": 7,
"Visibility": 828,
"PrecipitationIntensity": 0,
"PrecipitationType": 0,
"PrecipitationPast1Hour": 0.1,
"PrecipitationPast3Hours": 0.8,
"PrecipitationPast6Hours": 2.7,
"PrecipitationPast12Hours": 6.6,
"PrecipitationPast24Hours": 20.9,
"PrecipitationAccumulation": null,
"BarometricPressure": null,
"SnowDepth": null,
"SurfaceMeasurements": [{"SensorId": 0,
"SurfaceTemperature": 10,
"RoadFreezingTemperature": null,
"RoadSurfaceCondition": 104
},
{"SensorId": 1,
"SurfaceTemperature": 8.7,
"RoadFreezingTemperature": null,
"RoadSurfaceCondition": 105
}
],
"SubSurfaceMeasurements": [{"SensorId": 0,
"SubSurfaceTemperature": 6.8
}
]
}
]

surface-measurements

Surface sensor measurements from WSDOT weather stations statewide.

List surface measurements from all weather stations.

Responses

Request samples

JavaScript

import { fetchSurfaceMeasurements } from 'ws-dottie/wsdot-weather-readings/core';

const data = await fetchSurfaceMeasurements({
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

200

Content type

application/json

Example of a successful response from the API (showing first item of 131 total)

[{ }
]

List subsurface measurements from all weather stations statewide.

Responses

Request samples

JavaScript

import { fetchSubSurfaceMeasurements } from 'ws-dottie/wsdot-weather-readings/core';

const data = await fetchSubSurfaceMeasurements({
  fetchMode: 'native',
  validate: true
});

console.log(data);

Response samples

200

Content type

application/json

Example of a successful response from the API (showing first item of 131 total)

[{ }
]

sub-surface-measurements

Subsurface temperature measurements from sensors embedded below road pavement.