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opendata402 US Weather Forecast
x402
opendata402 US Weather Forecast is a paid API for AI agents from opendata402.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-15).
Returns a 7-day US weather forecast in 12-hour periods (temperature, wind, precipitation chance, short and detailed text) for a given latitude/longitude using NOAA/NWS data.
Price / call$0.002
Success—
StatusUnknown
How this service works
US weather forecast from the National Weather Service for a latitude/longitude inside the United States: the next 7 days in 12-hour periods with temperature, wind, precipitation chance and a short and detailed text forecast. Use it for travel, events, logistics or field work in the US. NOAA/NWS data, US public domain.
Output
A structured 7-day forecast broken into 12-hour periods, each containing the period name (e.g. 'Tonight', 'Monday Morning'), temperature with unit, wind speed and direction, precipitation chance, a short forecast label (e.g. 'Mostly Cloudy'), and a detailed text narrative — all sourced from the National Weather Service.
Example use cases
Outdoor event planning check
“I'm organizing an outdoor concert in Austin, Texas this Saturday. Can you get me the full 7-day NWS forecast for latitude 30.2672, longitude -97.7431 so I can see temperatures, wind, and rain chances for each half-day?”
Field crew logistics scheduling
“We have crews working a construction site near Denver — can you pull the next 7-day weather forecast for lat 39.7392, lon -104.9903 so we can see when high winds or rain might disrupt work?”
Travel packing weather check
“I'm flying to Seattle next week and want to know what weather to expect. Can you get the NOAA forecast for latitude 47.6062, longitude -122.3321 for the next 7 days including temperatures and precipitation chances?”
Technical details
Endpoint
GEThttps://opendata402.com/v1/weather/us?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative, structured NOAA/NWS forecast data for a specific US location by coordinates, especially when you need multi-day (up to 7 days) forecasts in 12-hour blocks with both quantitative fields (temperature, wind, precipitation chance) and human-readable narrative text. Prefer it over generic weather APIs when NOAA sourcing, US public-domain data provenance, or detailed narrative forecasts matter. Not suitable for non-US locations or real-time current conditions.
Side effects
- Coordinates outside the United States return an error or no data — NWS only covers US territory
- Invalid lat/lon format (e.g. letters or out-of-range values) will be rejected by schema validation
- NWS API upstream outages may cause the endpoint to return a 5xx or timeout
- Coordinates over open ocean or US territories without NWS grid coverage may fail to resolve a forecast grid point
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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