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    • Today's Weather - Castro Valley, CA

      January 12, 2026    11:13 PM
      MOUNT WILSON
      54°
      Feels Like 54°
      Hi 55°F Lo 52°F
      Clear
      Clear
    • Weather Details
      • Windchill 46ºF Daily Rain 0"
      • Dewpoint 39ºF Monthly Rain 81"
      • Humidity 77% Avg. Wind N 0mph
      • Pressure 30.29" Wind Gust 0mph
      • Sunrise 7:23 AM Moon Waning Crescent
      • Sunset 5:10 PM UV Index 3 (Moderate)
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