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Cupertino, CA
Updated 10/24/2026, 2:21:38 AM PDT
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WEATHER
52°F.
Mostly clear. Wind 2 mph W.
7-Day Forecast →
Low 50°
High 75°
Current
UV INDEX
Peak UV 5 today at 1 PM.
Low
Extreme
Peak @ 1 PM
AIR
AQI 52 (Moderate).
Good
Hazardous
AQI 52
AIRPORT CONDITIONS
SJC — Clear. Visibility 10+ mi. Wind 3 mph SSE.
Flight Status →
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PUBLIC ALERTS
No active federal alerts reported.
ROADS
I-280 • CA-85 • CA-17
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Sources
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NWS
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Caltrans