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

weather.gov:national-weather-service-api

Summary:
Operation ID: gridpoint_forecast_hourly
Auth: unknown
Description

Returns a textual hourly 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 hourly forecast for Topeka grid curl https://api.weather.gov/gridpoints/TOP/31,80/forecast/hourly
Hourly forecast with metric units curl https://api.weather.gov/gridpoints/OKX/33,37/forecast/hourly?units=si
Hourly forecast with experimental temperature QV feature curl https://api.weather.gov/gridpoints/LOX/154,44/forecast/hourly

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:41:14.978139 200 426ms
2026-03-23 09:36:47.473195 200 684ms
2026-03-23 09:07:50.018746 200 1425ms

Response Changes

WhenOldNew
2026-03-23 09:36:47.473195 f0a931821268 ca415ab5aed3
2026-03-23 10:41:14.978139 ca415ab5aed3 56ff89d479fa