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Santa Clara, CA
Updated 10/28/2026, 11:04:19 PM PDT
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WEATHER
55°F.
Partly cloudy. Wind 1 mph SSW.
7-Day Forecast →
Low 42°
High 70°
Current
UV INDEX
Peak UV 5 today at 1 PM.
Low
Extreme
Peak @ 1 PM
AIR
AQI 31 (Good).
Good
Hazardous
AQI 31
AIRPORT CONDITIONS
SJC — Few clouds. Visibility 10+ mi. Wind 0 mph N.
Flight Status →
•
All Monitored Airports →
PUBLIC ALERTS
No active federal alerts reported.
ROADS
US-101 • I-880 • CA-82 • CA-237
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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Open-Meteo
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Caltrans