Open Meteo MCP Server
Global weather via Open-Meteo: forecast, historical, marine, air quality, geocoding, elevation.
Connect it
Settings → Connectors → Add custom connector
URL: https://open-meteo.caseyjhand.com/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://open-meteo.caseyjhand.com/mcp{
"mcpServers": {
"open-meteo-mcp-server": {
"url": "https://open-meteo.caseyjhand.com/mcp"
}
}
}claude mcp add --transport http open-meteo-mcp-server https://open-meteo.caseyjhand.com/mcp{
"servers": {
"open-meteo-mcp-server": {
"type": "http",
"url": "https://open-meteo.caseyjhand.com/mcp"
}
}
}{
"mcpServers": {
"open-meteo-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/open-meteo-mcp-server@0.4.1"
]
}
}
}claude mcp add open-meteo-mcp-server -- npx -y @cyanheads/open-meteo-mcp-server@0.4.111 tools, verified live
openmeteo_search_locationsread-onlyResolve a place name to ranked coordinate matches with country, region, elevation, timezone, and population. Required prerequisite for name-based queries â all weather tools take latitude/longitude, not place names. Search by a bare place name (city, region, or landmark); never fold a qualifier into it â pass "Baoding", not "Baoding Hebei", and "Paris", not "Paris, France". To disambiguate pla
openmeteo_get_elevationread-onlyTerrain elevation from the Copernicus Digital Elevation Model (~90m resolution) for one or more coordinate pairs. Accepts up to 100 pairs per call. Useful for geographic context, elevation-adjusted weather interpretation, or route planning. A point the DEM has no value for (latitude 90) returns elevation_m null; the other points in the call are unaffected.
openmeteo_get_forecastread-onlyWeather forecast for coordinates: hourly and/or daily variables for up to 16 days ahead, with optional past_days (up to 92) for recent history. Use past_days instead of openmeteo_get_historical for dates within the last 1â5 days, since the archiveâs ERA5 components lag by up to ~5 days. Returns per-timestamp records â each hourly entry contains a "time" field (ISO 8601) plus one key per requ
openmeteo_get_historicalread-onlyHistorical weather from the Open-Meteo reanalysis archive (1940âpresent). Requires start_date and end_date (ISO 8601 date, e.g., "2024-07-01"). With models omitted the archive answers from Best Match, which blends IFS HRES, ERA5, and ERA5-Land seamlessly â so the source varies by date and no single update lag describes the response. Set models to pin a consistent source for a multi-decade seri
openmeteo_get_marineread-onlyMarine wave and ocean conditions for a coastal or ocean coordinate: wave height, wave period, wave direction, wind-wave height, swell height, sea-surface temperature. Forecast horizon up to 8 days, with optional past_days (up to 92) for recent history â or start_date and end_date together for an archive range, which returns real wave values back to at least 2022. One window per call: a date rang
openmeteo_get_air_qualityread-onlyModeled CAMS (Copernicus Atmosphere Monitoring Service) air quality: PM2.5, PM10, nitrogen dioxide, sulphur dioxide, ozone, carbon monoxide, dust, pollen, and European/US AQI indices. This is modeled grid data, not measured station readings â for measured data, use openaq-mcp-server. Forecast horizon up to 7 days, with optional past_days (up to 92) for recent history â or start_date and end_da
openmeteo_get_ensembleread-onlyProbabilistic ensemble weather forecast â up to 64 ensemble members, up to 35 days ahead with optional past_days (0â92). Most models end within 16 days; a model's columns are null past its horizon, and the response notice names where its data ends. Each member's values appear as separate columns named with a member suffix (e.g. temperature_2m_member01, temperature_2m_member02). Use the spread
openmeteo_get_floodread-onlyGloFAS (Global Flood Awareness System) river discharge forecast and historical reanalysis. Returns daily river discharge (m³/s) for the largest modeled river within 5 km of the given coordinates â no river ID needed. That river is not always the closest one: at 5 km resolution a point near a confluence or a pair of parallel channels can resolve to an unintended reach. When the returned discharg
openmeteo_get_climateread-onlyLong-range climate projections from bias-corrected daily CMIP6 models, covering 1950-01-01 to 2050-12-31 at any coordinate. Answers "what will conditions look like through 2050?" â the future-projection counterpart to openmeteo_get_historical (the observed archive, what happened). Daily resolution only. Available models: CMCC_CM2_VHR4, FGOALS_f3_H, HiRAM_SIT_HR, MRI_AGCM3_2_S, EC_Earth3P_HR, MPI
openmeteo_dataframe_queryread-onlyRun a read-only SQL SELECT against tables staged on a DataCanvas by openmeteo_get_forecast, openmeteo_get_historical, openmeteo_get_marine, openmeteo_get_air_quality, openmeteo_get_ensemble, openmeteo_get_flood, or openmeteo_get_climate. Pass the canvas_id returned when any of those tools spills (truncated: true), and reference the exact table_name those tools return alongside it. Call openmeteo_d
openmeteo_dataframe_describeread-onlyList the tables and their columns on a DataCanvas staged by openmeteo_get_forecast, openmeteo_get_historical, openmeteo_get_marine, openmeteo_get_air_quality, openmeteo_get_ensemble, openmeteo_get_flood, or openmeteo_get_climate. Call this first to discover table names before querying with openmeteo_dataframe_query.
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