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San Jose, CA
Updated 9/25/2026, 7:14:23 PM PDT
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WEATHER
67°F.
Clear. Wind 8 mph NNW.
7-Day Forecast →
Low 59°
High 79°
Current
UV INDEX
Peak UV 6 today at 1 PM.
Low
Extreme
Peak @ 1 PM
AIR
AQI 39 (Good).
Good
Hazardous
AQI 39
AIRPORT CONDITIONS
SJC — Few clouds. Visibility 10+ mi. Wind 14 mph N.
Flight Status →
•
All Monitored Airports →
PUBLIC ALERTS
No active federal alerts reported.
ROADS
US-101 • I-280 • I-880 • CA-87
View official Caltrans QuickMap →
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Sources
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NWS
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AirNow
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NOAA Aviation Weather
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Caltrans