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2s.io Historical Weather API (ERA5)
x402
2s.io Historical Weather API (ERA5) is a paid API for AI agents from 2s.io, paid per call via x402, $0.00144/call, status unknown (last checked 2026-09-15).
Returns per-day max/min/mean temperature, precipitation totals and hours, and max wind speed for any lat/lon coordinate over a historical date range using ERA5 reanalysis data (1940 to ~5 days ago).
Price / call$0.00144
Success—
StatusUnknown
How this service works
Historical daily weather for any coordinate (ERA5 reanalysis, 1940→~5 days ago). Pass lat + lon + start + end (YYYY-MM-DD, range ≤366 days). Returns per-day max/min/mean temperature (°C), precipitation total (mm) + hours, and max wind (km/h). Source: Open-Meteo archive / ECMWF ERA5 (keyless).
Output
A JSON array of daily records for each date in the requested range, each containing: max temperature (°C), min temperature (°C), mean temperature (°C), total precipitation (mm), precipitation hours, and max wind speed (km/h). Data is sourced from ECMWF ERA5 reanalysis, covering 1940 to approximately 5 days before the current date.
Example use cases
Example prompt
“What was the daily high and low temperature, total rainfall, and max wind speed at coordinates 48.8566° N, 2.3522° E from June 1 to June 30 2022?”
Technical details
Endpoint
GEThttps://2s.io/api/weather/historyWhen to prefer
Use this endpoint when you need historical daily weather summaries (temperature, precipitation, wind) for any global coordinate going back to 1940. It is keyless and pay-per-call, making it ideal for one-off or agent-driven lookups without API key management. Prefer it over forecast APIs when you need past data, and over bulk climate datasets when you need a lightweight per-day summary for a specific point location within a 366-day window.
Side effects
- Date range exceeds 366 days — API rejects the request
- Start or end date is in the future or within the last ~5 days — data not yet available
- Invalid lat/lon values — out-of-range coordinates cause errors
- Missing required query parameters (lat, lon, start, end) — returns 400 error
- Malformed date format (not YYYY-MM-DD) — parse error
Input
{
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"end": "2022-06-30",
"lat": 48.8566,
"lon": 2.3522,
"start": "2022-06-01"
}
}
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"data": {
"ok": true,
"items": [
{
"date": "2022-06-01",
"precipMm": 0,
"tempMaxC": 20.5,
"tempMinC": 7.4,
"tempMeanC": 14.7,
"windMaxKmh": 18.1,
"precipHours": 0
},
{
"date": "2022-06-02",
"precipMm": 0,
"tempMaxC": 23.4,
"tempMinC": 9.1,
"tempMeanC": 17,
"windMaxKmh": 17.5,
"precipHours": 0
},
{
"date": "2022-06-03",
"precipMm": 8.2,
"tempMaxC": 25,
"tempMinC": 12.4,
"tempMeanC": 17.9,
"windMaxKmh": 10.4,
"precipHours": 4
},
{
"date": "2022-06-04",
"precipMm": 1.1,
"tempMaxC": 26.5,
"tempMinC": 14.7,
"tempMeanC": 20.1,
"windMaxKmh": 17.9,
"precipHours": 2
},
{
"date": "2022-06-05",
"precipMm": 5.8,
"tempMaxC": 22.8,
"tempMinC": 15.5,
"tempMeanC": 18.6,
"windMaxKmh": 24.6,
"precipHours": 8
},
{
"date": "2022-06-06",
"precipMm": 0.4,
"tempMaxC": 20.1,
"tempMinC": 12,
"tempMeanC": 16.4,
"windMaxKmh": 18.6,
"precipHours": 4
},
{
"date": "2022-06-07",
"precipMm": 1,
"tempMaxC": 21.6,
"tempMinC": 13.1,
"tempMeanC": 17.4,
"windMaxKmh": 21.4,
"precipHours": 8
},
{
"date": "2022-06-08",
"precipMm": 17,
"tempMaxC": 20.6,
"tempMinC": 14.4,
"tempMeanC": 16.7,
"windMaxKmh": 22.1,
"precipHours": 14
},
{
"date": "2022-06-09",
"precipMm": 0.3,
"tempMaxC": 19.7,
"tempMinC": 11.7,
"tempMeanC": 16,
"windMaxKmh": 20.5,
"precipHours": 3
},
{
"date": "2022-06-10",
"precipMm": 0,
"tempMaxC": 22,
"tempMinC": 12.8,
"tempMeanC": 18.1,
"windMaxKmh": 16.1,
"precipHours": 0
},
{
"date": "2022-06-11",
"precipMm": 0,
"tempMaxC": 24.5,
"tempMinC": 14.4,
"tempMeanC": 19.1,
"windMaxKmh": 15.2,
"precipHours": 0
},
{
"date": "2022-06-12",
"precipMm": 0,
"tempMaxC": 22.3,
"tempMinC": 13.2,
"tempMeanC": 17.5,
"windMaxKmh": 16.4,
"precipHours": 0
},
{
"date": "2022-06-13",
"precipMm": 0,
"tempMaxC": 22,
"tempMinC": 10.1,
"tempMeanC": 16.5,
"windMaxKmh": 11.7,
"precipHours": 0
},
{
"date": "2022-06-14",
"precipMm": 0,
"tempMaxC": 24.8,
"tempMinC": 10.9,
"tempMeanC": 18.5,
"windMaxKmh": 12.3,
"precipHours": 0
},
{
"date": "2022-06-15",
"precipMm": 0,
"tempMaxC": 29,
"tempMinC": 13.4,
"tempMeanC": 21.6,
"windMaxKmh": 13.5,
"precipHours": 0
},
{
"date": "2022-06-16",
"precipMm": 0,
"tempMaxC": 28.8,
"tempMinC": 14.7,
"tempMeanC": 22.1,
"windMaxKmh": 10.4,
"precipHours": 0
},
{
"date": "2022-06-17",
"precipMm": 0,
"tempMaxC": 32,
"tempMinC": 15.3,
"tempMeanC": 24.6,
"windMaxKmh": 9.2,
"precipHours": 0
},
{
"date": "2022-06-18",
"precipMm": 0,
"tempMaxC": 36,
"tempMinC": 18.5,
"tempMeanC": 27.8,
"windMaxKmh": 15.3,
"precipHours": 0
},
{
"date": "2022-06-19",
"precipMm": 1.6,
"tempMaxC": 24.9,
"tempMinC": 15.9,
"tempMeanC": 20.7,
"windMaxKmh": 28.8,
"precipHours": 5
},
{
"date": "2022-06-20",
"precipMm": 18.9,
"tempMaxC": 20.9,
"tempMinC": 14.4,
"tempMeanC": 17.9,
"windMaxKmh": 17.8,
"precipHours": 6
},
{
"date": "2022-06-21",
"precipMm": 1.4,
"tempMaxC": 24.2,
"tempMinC": 13.9,
"tempMeanC": 19.1,
"windMaxKmh": 15.3,
"precipHours": 5
},
{
"date": "2022-06-22",
"precipMm": 0.5,
"tempMaxC": 22.9,
"tempMinC": 15.2,
"tempMeanC": 19.5,
"windMaxKmh": 18.9,
"precipHours": 2
},
{
"date": "2022-06-23",
"precipMm": 6.2,
"tempMaxC": 26.2,
"tempMinC": 17.5,
"tempMeanC": 21.3,
"windMaxKmh": 15.8,
"precipHours": 3
},
{
"date": "2022-06-24",
"precipMm": 7.5,
"tempMaxC": 23,
"tempMinC": 16.9,
"tempMeanC": 19.9,
"windMaxKmh": 25.5,
"precipHours": 9
},
{
"date": "2022-06-25",
"precipMm": 8.8,
"tempMaxC": 18.2,
"tempMinC": 14.8,
"tempMeanC": 16.8,
"windMaxKmh": 17.4,
"precipHours": 14
},
{
"date": "2022-06-26",
"precipMm": 0.4,
"tempMaxC": 21,
"tempMinC": 12.3,
"tempMeanC": 16.4,
"windMaxKmh": 14.9,
"precipHours": 2
},
{
"date": "2022-06-27",
"precipMm": 3.7,
"tempMaxC": 21.7,
"tempMinC": 13.1,
"tempMeanC": 17.2,
"windMaxKmh": 16.7,
"precipHours": 5
},
{
"date": "2022-06-28",
"precipMm": 0,
"tempMaxC": 24.8,
"tempMinC": 11.3,
"tempMeanC": 18.4,
"windMaxKmh": 10.1,
"precipHours": 0
},
{
"date": "2022-06-29",
"precipMm": 0.3,
"tempMaxC": 24.8,
"tempMinC": 11.4,
"tempMeanC": 18.7,
"windMaxKmh": 17.7,
"precipHours": 2
},
{
"date": "2022-06-30",
"precipMm": 10.3,
"tempMaxC": 18.1,
"tempMinC": 12.9,
"tempMeanC": 15.4,
"windMaxKmh": 9.1,
"precipHours": 13
}
],
"total": 30,
"source": {
"url": "https://open-meteo.com/",
"license": "CC BY 4.0 (attribute Open-Meteo); underlying CAMS / ECMWF ERA5.",
"provider": "Open-Meteo (air quality / marine / ERA5 archive)"
}
},
"meta": {
"cost": {
"usd": 0.00144,
"tier": 0
},
"caller": "x402",
"version": null,
"endpoint": "weather.history",
"settlement": {
"txHash": "0xee48c05c0ae8de63b28fb7fd7b9ec597e845edee10a699e12309e77a7c1591f2",
"network": "eip155:8453",
"success": true
}
}
}Tags
x402
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