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US Weather Forecast (NWS 5-Period)
x402
US Weather Forecast (NWS 5-Period) is a paid API for AI agents from agent-evidence-api.thx93.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-29).
Returns the next five National Weather Service forecast periods for a given latitude and longitude, including temperature, wind speed, wind direction, and plain-language forecast text.
Price / call$0.01
Success—
StatusUnknown
How this service works
US weather forecast: the next five National Weather Service forecast periods for a latitude and longitude - temperature, wind speed and direction, and the plain-language forecast.
Output
An array of up to five forecast period objects from the National Weather Service, each containing the period name (e.g. 'Tonight', 'Monday'), temperature with unit, wind speed, wind direction, and a plain-language short forecast description (e.g. 'Mostly sunny').
Example use cases
Outdoor event weather planning
“I'm planning an outdoor event at latitude 34.0522, longitude -118.2437 this weekend — can you pull the next five NWS forecast periods so I know what the temperature and wind will be like?”
Hiking trip condition check
“Before I head out for a hike near latitude 44.4280, longitude -110.5885, can you get me the National Weather Service forecast for the next few periods, including wind speed and plain-language conditions?”
Agricultural frost risk assessment
“Can you check the NWS forecast for the next five periods at latitude 36.7783, longitude -119.4179 and tell me the temperatures and wind conditions — I need to know if there's a frost risk for my crops.”
Technical details
Endpoint
POSThttps://agent-evidence-api.thx93.workers.dev/v1/weather/forecast?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need structured, multi-period weather forecast data (temperature, wind, plain-language description) for a precise US geographic coordinate sourced directly from the National Weather Service. It is ideal for US-only location-based forecasting where NWS authority and plain-language summaries matter. For non-US locations, use a different global weather provider. For active severe weather alerts by state, use the companion NWS alerts endpoint on the same host.
Side effects
- Invalid or out-of-range latitude/longitude returns an error or empty forecast
- Location outside the US continental coverage area (NWS only covers US territories) returns no data
- NWS API upstream outage results in a failed or timeout response
- Malformed request body returns a 400-level error
- Payment not provided or insufficient funds returns a 402 Payment Required error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"periods": [
{
"name": "Today",
"windSpeed": "5 to 10 mph",
"temperature": 68,
"windDirection": "W",
"temperatureUnit": "F",
"detailedForecast": "Sunny."
}
],
"latitude": 37.7749,
"longitude": -122.4194
}
}Tags
x402
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