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Today's Weather - Castro Valley, CA
December 22, 2025 4:06 PMFoundation Academy74°Feels Like 74°Hi 80°F Lo 62°FMostly Sunny -
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Weather Details
- Windchill 64ºF Daily Rain 13"
- Dewpoint 56ºF Monthly Rain 20"
- Humidity 75% Avg. Wind N 0mph
- Pressure 29.96" Wind Gust 0mph
- Sunrise 7:20 AM Moon Waxing Crescent
- Sunset 4:53 PM UV Index 1 (Low)
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