{"uid":"cap_vVMFpnd0CIFJXATHfPE0K","slug":"polyform-hourly-weather-forecast-1140b692","name":"Polyform Hourly Weather Forecast","description":"Hour-by-hour forecast for any US coordinate: temperature, precipitation chance, wind, conditions for the next 48 hours. Source: National Weather Service. JSON.","url":"https://api.polyform.org/v1/weather/hourly?utm_source=zero.xyz","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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"hours":[{"time":"…","temperature":74,"shortForecast":"Partly Cloudy","precipChancePct":20}],"location":"Nashville, TN"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9EaEIgbnRjRgqZ6IQ-Ef3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns an hour-by-hour weather forecast for any US coordinate for the next 48 hours, sourced from the National Weather Service","exampleAgentPrompt":"What's the hour-by-hour weather forecast for Nashville, TN — I need temperatures, precipitation chances, and wind conditions for the next 48 hours so I can plan accordingly.","exampleUseCases":[{"title":"Outdoor event day planning","prompt":"I'm hosting an outdoor wedding reception in Austin, TX this Saturday. Can you pull the hourly weather forecast for the next 48 hours so I know exactly when to expect rain or strong winds?"},{"title":"Construction crew scheduling","prompt":"We have a crew working a job site near Denver, CO — can you get the hour-by-hour forecast for the next two days so we can schedule the outdoor concrete pour when precipitation chance is lowest?"},{"title":"Hiking trip conditions check","prompt":"My hiking group is heading to Asheville, NC tomorrow. Show me the hourly temperatures, precipitation chances, and conditions so we can pick the best window to be on the trail."}],"resultDescription":"A JSON array of hourly forecast objects for the next 48 hours, each containing a timestamp, temperature (in °F), short forecast description (e.g. 'Partly Cloudy'), and precipitation chance percentage. Also includes a resolved location name string for the queried coordinate.","failureModes":["Coordinates outside the continental US or US territories will fail — NWS only covers US locations","Missing or malformed lat/lon query parameters will return a 400 error","NWS upstream outages may cause 502 or 503 responses","Payment not included or insufficient USDC balance results in 402 Payment Required response","Very remote US coordinates may not map to a NWS grid point, returning a location resolution error"],"whenToPreferThis":"Choose this endpoint when you need granular, hour-by-hour weather resolution for US locations over the next 48 hours — ideal for event planning, logistics, outdoor scheduling, or any use case requiring intraday weather timing. Prefer this over a daily or 7-day forecast endpoint when the hour-of-day matters. Since it sources directly from the National Weather Service, it is authoritative for US locations. Use the sibling current-conditions endpoint if you need observed (real-time) data rather than a forecast.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:34:24.780Z","isFirstParty":false,"canonicalSlug":"polyform-hourly-weather-forecast-1140b692"}