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Today's Weather - Castro Valley, CA
December 22, 2025 3:52 PMHayward Executive Airport63°Feels Like 63°Hi 63°F Lo 55°FMostly Cloudy -
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Weather Details
- Windchill 63ºF Daily Rain 13"
- Dewpoint 57ºF Monthly Rain 20"
- Humidity 81% Avg. Wind NW 6mph
- Pressure 29.93" Wind Gust 6mph
- Sunrise 7:20 AM Moon Waxing Crescent
- Sunset 4:53 PM UV Index 1 (Low)
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