{"uid":"cap_GefEwlx4ybuOFu4-LCcua","slug":"vextorium-us-weather-forecast-43bdcca0","name":"Vextorium US Weather Forecast","description":"232 pay-per-call data APIs for AI agents: official statistics and economy (ECB, Fed, Eurostat, World Bank, SEC, BOE, INE), crypto prices and sentiment, Spanish public data, compliance (sanctions, VAT, IBAN, LEI), science, weather, web and developer tools and local AI text tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/us-weather?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"lat":{"type":"number"},"lon":{"type":"number"},"hours":{"type":"boolean","description":"Hourly forecast"}}},"responseSchema":{"type":"json","example":{"place":"New York, NY","source":"US National Weather Service (public domain)","timezone":"America/New_York","warnings":[],"forecasts":[{"name":"Today","unit":"F","wind":"5 to 10 mph SW","start":"2026-10-02T10:00:00-04:00","detail":"A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.","summary":"Mostly Sunny then Chance Showers And Thunderstorms","temperature":83,"rain_prob_pct":35,"temperature_c":28.3},{"name":"Tonight","unit":"F","wind":"9 to 14 mph NW","start":"2026-10-02T18:00:00-04:00","detail":"A chance of showers and thunderstorms before 2am. Mostly cloudy. Low around 63, with temperatures rising to around 65 overnight. Northwest wind 9 to 14 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.","summary":"Chance Showers And Thunderstorms","temperature":63,"rain_prob_pct":52,"temperature_c":17.2}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_snvWZkT4vR3ZmYXvsJwx1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current and upcoming weather forecasts for any US location by latitude/longitude, sourced from the US National Weather Service","exampleAgentPrompt":"What's the weather forecast for coordinates 40.7128° N, 74.0060° W — include the rain probability and hourly breakdown if available.","exampleUseCases":[{"title":"Outdoor event planning weather check","prompt":"I'm planning an outdoor event at 37.7749° N, 122.4194° W this Saturday — can you pull the weather forecast including rain probability so I can decide whether to set up a tent?"},{"title":"Travel itinerary weather lookup","prompt":"What's the weather going to be like in Miami at coordinates 25.7617° N, 80.1918° W over the next couple of days? I need temperatures and wind conditions."},{"title":"Agriculture field weather monitoring","prompt":"Pull the detailed weather forecast including hourly data for coordinates 41.8781° N, 87.6298° W — I need to know precipitation probability and wind speed for crop planning."}],"resultDescription":"A JSON object containing the resolved place name, data source (US National Weather Service), timezone, any active weather warnings, and an array of forecast periods. Each forecast period includes a name (e.g. 'Today', 'Tonight'), temperature in Fahrenheit and Celsius, wind speed and direction, precipitation probability as a percentage, a short summary, and a detailed narrative description. Optionally includes hourly breakdowns.","failureModes":["Coordinates outside the US (NWS only covers US territories) — likely returns an error or empty forecast","Invalid or malformed lat/lon values — schema validation error","NWS upstream outage — service unavailable or timeout","Coordinates in remote US areas with no NWS grid coverage — empty or null forecast","Missing required lat or lon fields — request rejected with validation error"],"whenToPreferThis":"Choose this endpoint when you need structured US weather forecasts sourced directly from the authoritative US National Weather Service (NOAA), without needing an API key. It is ideal for US-only location-based weather queries where you have latitude/longitude coordinates and want structured forecast data including precipitation probability, wind, and temperature in both Fahrenheit and Celsius. Prefer this over generic weather APIs when you need official government-sourced data for US locations at a very low per-call cost.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T12:44:40.089Z","isFirstParty":false,"canonicalSlug":"vextorium-us-weather-forecast-43bdcca0"}