Multi-day weather forecast (normalized) API

Multi-day daily + hourly weather forecast for a city or coordinates from Open-Meteo, normalized from parallel arrays into a clean per-day/per-hour schema with WMO weather-code words, precipitation probability, wind, sunrise and sunset. Answers 'what's the 7-day forecast for Tokyo', 'will it rain tomorrow at these coordinates', 'hourly temperature forecast', 'forecast high and low for the next week'.

Price$0.01per request

MethodPOST

Route/v1/data/weather-forecast

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache3600s public

dataweatherforecastopen-meteodailyhourlyprecipitationmeteorology

API URLhttps://x402.hexl.dev/v1/data/weather-forecast

Integration docs

Example request

{
  "city": "Tokyo",
  "days": 3
}

Example response

{
  "location": "Tokyo, Japan",
  "latitude": 35.6895,
  "longitude": 139.6917,
  "timezone": "Asia/Tokyo",
  "days": 3,
  "daily": [
    {
      "date": "2026-06-03",
      "weatherCode": 61,
      "conditions": "Slight rain",
      "tempMaxC": 24.1,
      "tempMinC": 18.2,
      "precipitationMm": 5.3,
      "precipitationProbabilityPct": 80,
      "windspeedMaxKmh": 22,
      "sunrise": "2026-06-03T04:25",
      "sunset": "2026-06-03T18:51"
    }
  ],
  "hourly": [
    {
      "time": "2026-06-03T00:00",
      "temperatureC": 19.4,
      "weatherCode": 2,
      "conditions": "Partly cloudy",
      "precipitationProbabilityPct": 20
    }
  ]
}

Input schema

{
  "type": "object",
  "required": [],
  "properties": {
    "city": {
      "type": "string",
      "examples": [
        "Tokyo"
      ]
    },
    "latitude": {
      "type": "number",
      "examples": [
        35.6895
      ]
    },
    "longitude": {
      "type": "number",
      "examples": [
        139.6917
      ]
    },
    "days": {
      "type": "number",
      "examples": [
        7
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}