mcp · United States

weather-mcp

Free, open-source MCP server giving AI assistants 17 weather tools — a one-call weather summary plus forecasts, alerts, air quality, marine, radar, lightning, rivers, wildfires, and historical data back to 1940. Ask by city name or coordinates. Built on free public APIs (NOAA, Open-Meteo). No API keys, no signup.

Visit source ↗GitHub repository ↗

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What's in it

Data offered docs-verified: forecasts · current conditions · alerts · air quality · marine conditions · lightning · radar · rivers · wildfires · historical weather
Coverage docs-verified: Global for most tools; US data richest and some tools US-only · 1940 to present (historical observations)
Resolution docs-verified: 15-minute temporal for precipitation nowcast (2-hour horizon, North America and Central Europe); spatial resolution not stated
Formats llm-inferred: MCP stdio
Access docs-verified: Free and open source (MIT); no API key or signup required; optional API keys unlock extras

Useful for

Use cases llm-inferred: FRA baseline weather and river-level context for a GB site, using Environment Agency gauge levels against typical range · Historical weather review back to 1940 for drainage or flood event investigations · Forecast, lightning and alert checks to support site visit and fieldwork planning · Air quality and pollen checks for ecological or construction site work in Europe
Audience llm-inferred: flood consultants · hydrologists · drainage engineers · environmental consultants

Limitations

Constraints docs-verified: Some tools are US-only · Free public APIs come with fair-use rate limits · Minutely precipitation nowcast only in North America and Central Europe

Licence: MIT
Authentication: Credentials via env: FIRMS_MAP_KEY, GOOGLE_POLLEN_API_KEY, GOOGLE_WEATHER_API_KEY, NCEI_API_TOKEN (README-verified)
GitHub stars: 49
Last commit: 13/10/2026
Last successful page check: 14/10/2026
Page health: restricted
Package: pypi:@dangahagan/weather-mcp
Verification: Not independently verified

Provenance & evidence

Tools/install/auth auto-extracted from README; quality score heuristic (stars, recency, tool count, licence).

Metadata observed 15/10/2026 · research sweep: github-search