GET /gridpoints/{wfo}/{x},{y}/forecast

weather.gov:national-weather-service-api

Summary:
Operation ID: gridpoint_forecast
Auth: unknown
Description

Returns a textual forecast for a 2.5km grid area

Parameters (5)

Feature-Flags (array, header, optional)

Enable future and experimental features (see documentation for more info): * forecast_temperature_qv: Represent temperature as QuantitativeValue * forecast_wind_speed_qv: Represent wind speed as QuantitativeValue

units (?, query, optional)

Use US customary or SI (metric) units in textual output

wfo (?, path, required)

Forecast office ID

x (integer, path, required)

Forecast grid X coordinate

Constraints: {'minimum': 0}

y (integer, path, required)

Forecast grid Y coordinate

Constraints: {'minimum': 0}

Examples (3)

TitleTypeURLAction
Basic forecast for Washington DC area curl https://api.weather.gov/gridpoints/LWX/96,72/forecast
Forecast with metric units curl https://api.weather.gov/gridpoints/LWX/96,72/forecast?units=si
Forecast with experimental temperature quality vector feature curl https://api.weather.gov/gridpoints/LWX/96,72/forecast

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 11:06:22.172224 200 180ms
2026-03-23 10:26:41.013242 200 424ms
2026-03-23 00:27:08.319269 200 500ms

Response Changes

WhenOldNew
2026-03-23 10:26:41.013242 a172c6d62f4e 81f73411fbda
2026-03-23 11:06:22.172224 81f73411fbda f392a5dcc705