Hail HistoryHome › California › Contra Costa County › Walnut Creek
Hail history for Walnut Creek, CA
Hail has been reported within 10 miles of Walnut Creek on 10 days since 2006. The largest stones measured 0.5 in (marble) on Mar 3, 2018. Hail is most common here in February and March.
Walnut Creek ranks #1,054 for hail days among the 1,399 U.S. cities of 25,000 to 100,000 people. See the ranking →
Recent hail near Walnut Creek
No hail was reported within 10 miles of Walnut Creek in the last two years.
Hail days near Walnut Creek by year
When hail season peaks near Walnut Creek
Of the 10 hail days since 2006, most fell in February (3) and March (3).
Largest hail storms near Walnut Creek
Mar 3, 2018 · 0.5 in (marble) · Concord (5 mi from Walnut Creek)
Jan 22, 2017 · 0.25 in (pea) · Berkeley (10 mi from Walnut Creek)
Feb 22, 2018 · 0.25 in (pea) · Concord (5 mi from Walnut Creek)
Feb 26, 2018 · 0.25 in (pea) · Pleasant Hill (3 mi from Walnut Creek)
Mar 2, 2018 · 0.25 in (pea) · Berkeley (9 mi from Walnut Creek)
Damaging thunderstorm winds near Walnut Creek
3 reports of damaging thunderstorm wind within 10 miles of Walnut Creek since 2006, on 2 days. The strongest measured gust was 63 mph on Aug 16, 2020.
| Date | Strongest gust | Where |
|---|---|---|
| Apr 5, 2024 | 58 mph, estimated | Saranap, Walnut Hgts 2 wind reports |
| Aug 16, 2020 | 63 mph, measured | Walnut Hgts 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 Walnut Creek; 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.
Nearby cities
- Concord
6 hail days - Berkeley
9 hail days - Oakland
12 hail days - Richmond
9 hail days - San Francisco
14 hail days - Daly City
12 hail days - San Mateo
7 hail days - Sunnyvale
9 hail days
Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of Walnut Creek.
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