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San Ramon, CA
Updated 9/26/2026, 9:25:32 PM PDT
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Share San Ramon Conditions
WEATHER
57°F.
Mostly cloudy. Wind 6 mph WSW.
7-Day Forecast →
Low 52°
High 78°
Current
UV INDEX
Peak UV 6 today at 1 PM.
Low
Extreme
Peak @ 1 PM
AIR
AQI 38 (Good).
Good
Hazardous
AQI 38
PUBLIC ALERTS
No active federal alerts reported.
ROADS
I-680
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