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Personalized Forecasts

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    • Sat

      Dec 16

      52° /27°F
      Partly sunny
      • Poor
      • for stargazing
      • Cloud Cover: 71%
      • Precip: 5%
      • Hours of Precip: 0
    • Sun

      Dec 17

      57° /29°
      Mostly sunny
      • Very Good
      • for stargazing
      • Cloud Cover: 31%
      • Precip: 6%
      • Hours of Precip: 0
      More
    • Mon

      Dec 18

      56° /45°
      Times of clouds and sun
      • Very Good
      • for stargazing
      • Cloud Cover: 49%
      • Precip: 1%
      • Hours of Precip: 0
      More
    • Tue

      Dec 19

      50° /30°
      Sunny and cooler
      • Fair
      • for stargazing
      • Cloud Cover: 40%
      • Precip: 65%
      • Hours of Precip: 7
      More
    • Wed

      Dec 20

      43° /24°
      Some sun, then clouds
      • Very Good
      • for stargazing
      • Cloud Cover: 10%
      • Precip: 0%
      • Hours of Precip: 0
      More

    Day

    52°Hi RealFeel® 57° Precipitation 4%
    Partly sunny
    • Winds from the
    • NNW 4 mph
    • Gusts: 6 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    27°Lo RealFeel® 28° Precipitation 5%
    Partly cloudy
    • Winds from the
    • NW 4 mph
    • Gusts: 5 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/16/2016
    High 52° 40° N/A 41°
    Low 27° 14° N/A 19°

    Sunrise/Sunset

    • Sunrise: 7:17 AM
    • Sunset: 4:38 PM
    • Duration: 9:21 hr

    Moonrise/Moonset

    • Moonrise: 5:40 AM
    • Moonset: 3:59 PM
    • Duration: 10:19 hr
    Astronomy

    Solunar Information for Portola, CA

    Mon, Dec 18
    New
    Tue, Dec 26
    First
    Tue, Jan 2
    Full
    Mon, Jan 8
    Last

    Sat. Stargazing