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Hail history for Sunnyvale, CA

Haili ijiin 10 mileMar 10, 20210.25 in (pea)

Ane haili, 12 mwwoon ijiinNone

Haili ane pwon ijiin 20060.35 inMar 25, 2020

Ane haili ijiin 20069

Ane haili 1 inch o pwon0

Wind reports within 10 miles3

Hail has been reported within 10 miles of Sunnyvale on 9 days since 2006. The largest stones measured 0.35 in on Mar 25, 2020. Hail is most common here in March and January.

Sunnyvale ranks #220 for hail days among the 311 U.S. cities of 100,000 or more people. Ara ranking →

Recent hail near Sunnyvale

No hail was reported within 10 miles of Sunnyvale in the last two years.

Nn̄an anam̄mool ekkar Sunnyvale meir

Ka anam̄mool ekkar kaan Sunnyvale

Of 9 nn̄an anam̄mool ekkar 2006, most fell in March (5) and January (2).

Anam̄mool ekkar kaan Sunnyvale

Mar 25, 2020 · 0.35 in · Mountain View (1 mi from Sunnyvale)

Jan 19, 2017 · 0.25 in (pea) · Agnew (4 mi from Sunnyvale)

Jan 19, 2018 · 0.25 in (pea) · Rancho Rinconado (5 mi from Sunnyvale)

Mar 2, 2018 · 0.25 in (pea) · San Jose (8 mi from Sunnyvale)

Mar 17, 2018 · 0.25 in (pea) · Sunnyvale (2 mi from Sunnyvale)

Damaging thunderstorm winds near Sunnyvale

3 reports of damaging thunderstorm wind within 10 miles of Sunnyvale since 2006, on 2 days. The strongest measured gust was 75 mph on Dec 24, 2025.

Date	Strongest gust	Where	Source
Dec 24, 2025	75 mph, a measured	Los Altos Hills, Permanente 2 wind reports	NOAA Storm Events
Jan 18, 2010	81 mph, a estimat	Milpitas 1 wind report	NOAA Storm Events

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 Sunnyvale; 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.

Cities nearby

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 Sunnyvale.

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