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NWS US Weather Forecast (Coordinates or Address)
x402
NWS US Weather Forecast (Coordinates or Address) is a paid API for AI agents from api.agentstools.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-14).
Returns normalized National Weather Service forecast periods for a US location given coordinates or a street address, with optional hourly resolution and day limit, in both Celsius and Fahrenheit.
Price / call$0.003
Success—
StatusUnknown
How this service works
Official US weather forecast from the National Weather Service (NOAA): multi-day and hourly periods for any US coordinates or street address. Temperature in Celsius and Fahrenheit, precipitation probability, wind speed and direction, and plain-language conditions. Authoritative government public-domain data, commercial use OK.
Output
A normalized list of forecast periods from the National Weather Service, each containing temperature in both Celsius and Fahrenheit, period name (e.g. 'Tonight', 'Monday'), short forecast description, wind speed/direction, and precipitation info — structured consistently regardless of whether coordinates or an address was provided.
Example use cases
Example prompt
“What's the weather forecast for the next 3 days in Austin, Texas? Give me hourly resolution and show temps in both Celsius and Fahrenheit.”
Technical details
Endpoint
GEThttps://api.agentstools.dev/forecast?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need structured, normalized NWS weather forecast data for a US location and want temperatures in both Celsius and Fahrenheit without manually calling the NWS API or handling its multi-step coordinate→gridpoint→forecast flow. Prefer it over raw NWS API calls when you want clean period-based or hourly output with a simple address or lat/lon input.
Side effects
- Address outside the US — NWS only covers US territories, returns error for non-US locations
- Invalid latitude/longitude range — lat must be [-90,90] and lon [-180,180]
- NWS upstream outage or rate limit — the underlying NWS API may be temporarily unavailable
- Address not geocodable — ambiguous or unrecognized address string returns no results
- Days parameter out of range — must be between 1 and 7 inclusive
- Missing required input — neither lat/lon pair nor address provided returns a validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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