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Walnut Creek, CA

Updated 11/5/2026, 4:58:35 AM PST
📤 Share Walnut Creek Conditions
WEATHER
49°F. Mostly clear. Wind 3 mph SW. 7-Day Forecast →
Low 48°High 72°
Current
UV INDEX
Peak UV 4 today at 12 PM.
LowExtreme
Peak @ 12 PM
AIR
AQI 14 (Good).
GoodHazardous
AQI 14
PUBLIC ALERTS
No active federal alerts reported.
ROADS
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Sources: NWS • AirNow • NOAA Aviation Weather • Open-Meteo • Caltrans