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    1 - 5 of 90 days | All 90 days
    Next 5 Days
    • Today

      Sep 25

      94° /60°F
      Plenty of sun
    • Mon

      Sep 26

      94° /58°
      Hot with plenty of sun
      More
    • Tue

      Sep 27

      87° /54°
      Mostly sunny and very warm
      More
    • Wed

      Sep 28

      78° /54°
      Mostly sunny
      More
    • Thu

      Sep 29

      71° /54°
      Mostly sunny and pleasant
      More
    Sunday
    1pm
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    8pm
    Forecast Sunny Sunny Sunny Sunny Sunny Sunny Clear Clear
    Temp (°F) 88° 91° 92° 94° 93° 88° 83° 77°
    RealFeel® 95° 97° 96° 96° 92° 87° 81° 75°
    Wind (mph) 5 ESE 5 NE 6 NW 6 NW 6 WNW 6 WNW 5 W 4 W
    precip
    1pm
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    Rain
    0%
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    Snow
    0%
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    Ice
    0%
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    SKY
    1pm
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    UV Index 6 5 4 3 1 0 0 0
    Cloud Cover 2% 0% 0% 0% 0% 0% 0% 0%
    Humidity 28% 24% 22% 25% 27% 33% 41% 44%
    Dew Point 52° 50° 48° 53° 55° 56° 57° 54°
    Temp °F
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    95° 90° 85° 80° 75°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 94° 77° N/A 84°
    Low 60° 55° N/A 58°

    Sunrise/Sunset

    • Sunrise: 6:59 AM
    • Sunset: 6:59 PM
    • Duration: 12:00 hr

    Moonrise/Moonset

    • Moonrise: 1:50 AM
    • Moonset: 4:04 PM
    • Duration: 14:14 hr
    Astronomy

    Castro Valley Weather Report

    Northern California towns in danger of running out of water for 3rd year in a row

    September 25, 2016; 3:11 AM ET

    For the third year in a row, some communities in northern California may run out of water due to the extreme drought conditions gripping the state. More >

    ABC 7 San Francisco Headlines

    Suspect in deadly Washington state mall shooting identified

    The suspect in a shooting at a Washington state mall that left five dead and sparked an intensive, nearly 24-hour manhunt is in custody. More

    Suspect involved in Civic Center standoff surrenders to San Francisco police More

    Charlotte police release video of fatal officer-involved shooting of Keith Lamont Scott More