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Belmont, CA
Updated 9/15/2026, 4:14:19 PM PDT
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Share Belmont Conditions
WEATHER
74°F.
Sunny. Wind 13 mph W.
7-Day Forecast →
Low 56°
High 75°
Current
UV INDEX
Peak UV 7 today at 2 PM.
Low
Extreme
Peak @ 2 PM
AIR
AQI 62 (Moderate).
Good
Hazardous
AQI 62
PUBLIC ALERTS
No active federal alerts reported.
ROADS
US-101
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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