SF Microclimates API
Real weather for 50 San Francisco neighborhoods. Free API. No key required.
š Live API: microclimates.solofounders.com
Use with Claude Code, Clawdbot, or build into your apps.
Built by Solo Founders.
Why This Exists
SF has the most dramatic microclimates of any US city.
Weather apps say "San Francisco: 58Ā°F" ā but that's useless. It can be 52Ā°F and foggy in the Outer Sunset while it's 65Ā°F and sunny in the Mission, just 3 miles apart.
This API aggregates 150+ outdoor sensors and groups them by neighborhood, so you get actual local temperatures ā not some airport reading from SFO.
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