{"uid":"cap__pAawD5PK8Wri0uYoEwEl","slug":"noaa-weather-forecast-api-via-maxwell-international-20f98d8c","name":"NOAA Weather Forecast API (via Maxwell International)","description":"NWS daily/period forecast for a US point or grid; same answer as weather.forecast. From the NWS (US and territories), cached and refreshed about every 3 hours; a location not yet cached answers 404, is not charged, and is queued.","url":"https://api.maxwellinternational.ai/v1/weather/noaa?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","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","additionalProperties":{"type":"string"}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"sku":"weather.forecast","wfo":"BOU","cache":"hit","gridX":63,"gridY":62,"state":"Colorado","country":"United States","periods":[{"name":"Tonight","endTime":"2026-09-26T06:00:00-06:00","isDaytime":false,"startTime":"2026-09-25T21:00:00-06:00","windSpeed":"5 to 8 mph","temperature":53,"temperatureC":11.7,"shortForecast":"Mostly Clear","windDirection":"SSW","temperatureUnit":"F","detailedForecast":"Mostly clear. Low around 53, with temperatures rising to around 55 overnight...."}],"updatedAt":null,"generatedAt":"2026-09-26T03:52:17.125Z","sourceClass":"official-api","resolvedFrom":"latlon"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_djjDP2OQTSS13HLGiTa2a","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns official NOAA weather forecasts for a given location, including temperature, wind, and short/detailed forecast periods.","exampleAgentPrompt":"Can you get me the official NOAA weather forecast for Denver, Colorado — I need tonight's temperature, wind speed, and a detailed outlook for the next few periods?","exampleUseCases":[{"title":"Outdoor event weather planning","prompt":"What does the NOAA forecast look like for Boulder, Colorado this weekend? I need temperature, wind conditions, and whether it'll be clear or cloudy for an outdoor event Saturday."},{"title":"Travel itinerary weather check","prompt":"Can you pull the official NOAA weather forecast for the coordinates 39.7392° N, 104.9903° W — I'm flying into Denver tomorrow and want to know what to expect for temperature and wind."},{"title":"Smart home automation trigger","prompt":"Fetch me the current NOAA forecast for my home location near Fort Collins, Colorado so I can decide whether to run the sprinklers tonight — give me tonight's low temperature and sky conditions."}],"resultDescription":"Returns a structured JSON object with forecast periods (name, start/end times, daytime flag, temperature in °F and °C, wind speed and direction, short forecast, detailed forecast), plus metadata including the Weather Forecast Office (WFO), grid coordinates, state, country, cache status, source class, and generation timestamp.","failureModes":["Location outside US coverage (NOAA only covers US territories) — may return error or empty periods","Invalid or missing query parameters result in a 400 or schema validation error","Payment not processed (x402 protocol) — returns 402 Payment Required before forecast is served","NOAA upstream API outage causes stale or failed response","Cache miss combined with NOAA rate limits may increase latency or return errors"],"whenToPreferThis":"Choose this endpoint when you need official US government (NOAA) weather forecast data with per-period breakdowns including wind, temperature, and detailed text forecasts. It is particularly suited for US locations where authoritative forecast data is required, and for AI agents that need structured multi-period forecasts rather than a simple current-conditions summary. Prefer this over third-party weather APIs when regulatory, compliance, or data-quality requirements favor official government sources.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T18:43:24.224Z","isFirstParty":false,"canonicalSlug":"noaa-weather-forecast-api-via-maxwell-international-20f98d8c"}