{"uid":"cap_49lPiJAMu3X_FiaIXLW-g","slug":"invoket-daily-weather-forecast-gfs-16-days-b67f60db","name":"Invoket Daily Weather Forecast (GFS, ~16 days)","description":"Before your agent plans a multi-day operation — logistics, construction, an event, crop work: a day-by-day forecast for any GPS point or city, with daily minimum and maximum 2 m temperature, total precipitation and peak 10 m wind per UTC calendar day, from today to the end of the NOAA GFS window (~16 days), extendable to 35 days on the NOAA GEFS ensemble mean — those extra days are an average of ~30 members, so their extremes are smoothed: trend, not threshold triggers. Each day names the model that served it and carries a coverage flag.","url":"https://api.invoket.com/weather/forecast/daily","method":"GET","headers":{},"bodySchema":{"type":"object","required":["lat","lon","days"],"properties":{"lat":{"type":"string"},"lon":{"type":"string"},"days":{"type":"string","description":"Number of UTC calendar days to return, 1-35, starting today. Defaults to 16 — the deterministic GFS window; ask for more explicitly to reach the GEFS ensemble-mean tail, whose smoothed extremes answer trend questions rather than threshold triggers. Alternative to lat+lon: pass city=<name> (alias location=, optional country= ISO 3166 alpha-2) resolved via the embedded GeoNames gazetteer and echoed back as data.location."}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_CV2RO6WcSn_FNQpkFhUHe","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a day-by-day weather forecast for any location for up to ~16 days, including daily min/max temperature, precipitation, and max wind speed decoded from GFS GRIB data, payable per-call via x402 stablecoin.","exampleAgentPrompt":"What's the daily weather forecast for Tokyo over the next 16 days — give me the min and max temperature, precipitation, and max wind speed for each day?","exampleUseCases":[{"title":"Multi-day outdoor event planning","prompt":"I'm organizing a 5-day music festival in Austin, Texas starting next Friday — can you pull the day-by-day forecast for the full run so I can see expected highs and lows, any rain, and peak wind speeds to plan for tents and staging?"},{"title":"Construction site weather window","prompt":"We're pouring concrete at a site near Denver, Colorado next week and need at least three dry days in a row with temps above freezing — can you get me the 16-day daily forecast so we can pick the best window?"},{"title":"Crop harvest timing forecast","prompt":"I need to decide when to start the wheat harvest on our farm just outside Toulouse, France — can you give me the daily precipitation and temperature forecast for the next two weeks so I can avoid rain days?"}],"resultDescription":"A JSON response containing one entry per UTC calendar day from today out to the end of the GFS window (~16 days), each with daily minimum and maximum 2m temperature, total precipitation (reconstructed from GFS accumulation buckets), and maximum 10m wind speed. Partial days at window edges are flagged with coverage.complete=false rather than omitted. If a city name was provided, the resolved coordinates and canonical location name are echoed back in data.location.","failureModes":["City name not found in GeoNames gazetteer — ambiguous or misspelled city name returns an error or empty result","Missing required location parameters (no lat/lon and no city) — returns a 400-level error","GFS model data temporarily unavailable — may return a 503 or partial data","x402 payment not settled or insufficient USDC balance — request rejected before processing","Country ISO code invalid or mismatched — may affect city resolution accuracy"],"whenToPreferThis":"Use this endpoint when you need a multi-day (up to ~16 days) daily weather forecast with no API key or account setup, and you are comfortable paying $0.01 USDC per call via x402. Ideal for agents that need daily granularity (min/max temp, precipitation, wind) from the GFS model without subscribing to a weather service. Prefer over alternatives when you want city-name-based resolution without pre-geocoding, or when per-call stablecoin payment is the desired billing model.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:45:01.185Z","isFirstParty":false}