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Personalized Forecasts

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    • Tonight

      Aug 20

      63° Lo F
      Clear
      • Stargazing
      • Weather
      • Cloud Cover: 1%
      • Precip: 0%
      • Hours of Precip: 0
    • Mon

      Aug 21

      88° /71°
      Mostly sunny
      • Very Good
      • for stargazing
      • Cloud Cover: 26%
      • Precip: 25%
      • Hours of Precip: 0
      More
    • Tue

      Aug 22

      90° /71°
      Humid with clouds and sun
      • Fair
      • for stargazing
      • Cloud Cover: 72%
      • Precip: 40%
      • Hours of Precip: 0.5
      More
    • Wed

      Aug 23

      83° /60°
      A morning t-storm; not as hot
      • Very Good
      • for stargazing
      • Cloud Cover: 31%
      • Precip: 9%
      • Hours of Precip: 1
      More
    • Thu

      Aug 24

      80° /58°
      Partly sunny
      • Very Good
      • for stargazing
      • Cloud Cover: 31%
      • Precip: 12%
      • Hours of Precip: 0
      More

    Day

    83°Hi RealFeel® 88° Precipitation 0%
    Mostly sunny and nice
    • Winds from the
    • WNW 7 mph
    • Gusts: 14 mph
    • Max UV Index: 10 (Extreme)
    • 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

    63°Lo RealFeel® 63° Precipitation 0%
    Clear
    • Winds from the
    • W 4 mph
    • Gusts: 7 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 8/20/2016
    High 83° 83° 98° (1983) 90°
    Low 63° 64° 50° (1998) 68°

    Sunrise/Sunset

    • Sunrise: 6:14 AM
    • Sunset: 7:49 PM
    • Duration: 13:35 hr

    Moonrise/Moonset

    • Moonrise: 4:49 AM
    • Moonset: 7:12 PM
    • Duration: 14:23 hr
    Astronomy

    Solunar Information for Princeton, NJ

    Mon, Aug 21
    New
    Tue, Aug 29
    First
    Wed, Sep 6
    Full
    Wed, Sep 13
    Last

    Sun. Stargazing