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Today's Weather - Castro Valley, CA
December 17, 2025 6:53 PMHayward Executive Airport54°Feels Like 54°Hi 64°F Lo 46°FPartly Cloudy -
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Weather Details
- Windchill 54ºF Daily Rain 5"
- Dewpoint 53ºF Monthly Rain 0"
- Humidity 97% Avg. Wind N 0mph
- Pressure 30.16" Wind Gust 0mph
- Sunrise 7:17 AM Moon Waning Crescent
- Sunset 4:51 PM UV Index 2 (Low)
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