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Hail history for San Francisco County, CA
10 hail reports in San Francisco County since 2006 on 10 days. The largest stones measured 0.5 in (marble) on Nov 29, 2018.
Cities in San Francisco County
Recent hail in San Francisco County
No hail was reported in San Francisco County in the last two years.
Hail days in San Francisco County by year
When hail season peaks in San Francisco County
Damaging thunderstorm winds in San Francisco County
4 reports of damaging thunderstorm wind in San Francisco County since 2006, on 4 days. The strongest measured gust was 54 mph on Aug 16, 2020.
| Date | Strongest gust | Where |
|---|---|---|
| Dec 14, 2024 | 81 mph, estimated | Crissy Aaf 1 wind report |
| Mar 1, 2024 | 40 mph, estimated | San Francisco 1 wind report |
| Jan 14, 2023 | damage reported | Crissy Aaf 1 wind report |
| Aug 16, 2020 | 54 mph, measured | San Francisco 1 wind report |
Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.
Filing a roof or car hail claim?
Insurers ask for the date of loss. The dates on this page are when hail was reported near San Francisco County; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then).