{"uid":"cap_FFKyamPnwGwsv1FOSJoaz","slug":"nws-multi-period-weather-forecast-us-8ecf4277","name":"NWS Multi-Period Weather Forecast (US)","description":"Multi-period weather forecast for a US location from api.weather.gov (NWS, public domain). Give latitude and longitude; returns the place plus upcoming forecast periods (temp, wind, conditions). US coverage only. ?lat=40.71&lon=-74.01","url":"https://agent402.tools/api/weather-forecast","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["lat","lon"],"properties":{"lat":{"type":"number","description":"latitude (US)"},"lon":{"type":"number","description":"longitude (US)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["location","lat","lon","periods"],"properties":{"lat":{"type":"number"},"lon":{"type":"number"},"periods":{"type":"array","items":{"type":"object","properties":{"name":{"type":"string"},"unit":{"type":"string"},"wind":{"type":"string"},"temperature":{"type":"integer"},"shortForecast":{"type":"string"}}}},"location":{"type":"object","properties":{"city":{"type":"string"},"state":{"type":"string"}}}}}}}}},"responseSchema":{"type":"json","example":{"lat":40.71,"lon":-74.01,"periods":[{"name":"Today","unit":"F","wind":"10 mph","temperature":72,"shortForecast":"Sunny"}],"location":{"city":"New York","state":"NY"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.50","reviews":0,"stars":null,"state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sIcKomtlSW4KQBWiiePA8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a multi-period weather forecast (temperature, wind, conditions) for a US location given latitude and longitude, sourced from the National Weather Service.","exampleAgentPrompt":"What's the multi-period weather forecast for New York City — latitude 40.71, longitude -74.01 — for the next several days, including temperature, wind, and conditions?","exampleUseCases":null,"resultDescription":"Returns the place name for the given coordinates plus a list of upcoming forecast periods from the National Weather Service, each including temperature, wind speed and direction, and a plain-language description of weather conditions (e.g. 'Mostly Sunny', 'Chance of Rain').","failureModes":["Coordinates outside the US return an error or no forecast data (US-only coverage)","Invalid or missing lat/lon parameters return a 400-style error","NWS API upstream outage causes a failed or empty response","Very remote US locations (ocean areas, territories) may not have NWS grid coverage"],"whenToPreferThis":"Use this endpoint when you need a structured multi-period weather forecast for a US location and have latitude/longitude coordinates available. It pulls directly from the authoritative US National Weather Service (api.weather.gov), making it ideal for government-sourced, public-domain forecast data. Prefer this over commercial weather APIs when NWS data is sufficient and US-only coverage is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":2,"lastUsedAt":"2026-07-28T17:12:01.860Z","lastSuccessfullyRanAt":"2026-07-28T17:12:00.828Z","lastHealthCheckAt":"2026-09-14T07:10:53.325Z","isFirstParty":false}