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Personalized Forecasts

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    My Recent Locations

    • Today

      Dec 4

      74° /44°
      Mostly sunny and beautiful
      • Good
      • for stargazing
      • Cloud Cover: 25%
      • Precip: 0%
      • Hours of Precip: 0
      More
    • Mon

      Dec 5

      67° /44°F
      Partial sunshine
      • Poor
      • for stargazing
      • Cloud Cover: 70%
      • Precip: 1%
      • Hours of Precip: 0
    • Tue

      Dec 6

      61° /43°
      Low clouds break for some sun
      • Poor
      • for stargazing
      • Cloud Cover: 79%
      • Precip: 3%
      • Hours of Precip: 0
      More
    • Wed

      Dec 7

      64° /41°
      Partly sunny
      • Very Good
      • for stargazing
      • Cloud Cover: 9%
      • Precip: 2%
      • Hours of Precip: 0
      More
    • Thu

      Dec 8

      69° /48°
      Mostly sunny
      • Fair
      • for stargazing
      • Cloud Cover: 42%
      • Precip: 6%
      • Hours of Precip: 0
      More

    Day

    67°Hi RealFeel® 68° Precipitation 0%
    Partial sunshine
    • SSW 5 mph
    • Gusts: 8 mph
    • Max UV Index: 3 (Moderate)
    • 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

    44°Lo RealFeel® 45° Precipitation 1%
    Patchy clouds in the evening; late-night low clouds
    • S 4 mph
    • Gusts: 6 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 12/5/2015
    High 67° 67° 84° (1962) 79°
    Low 44° 43° 32° (1978) 38°

    Sunrise/Sunset

    • Sunrise: 6:42 AM
    • Sunset: 4:41 PM
    • Duration: 9:59 hr

    Moonrise/Moonset

    • Moonrise: 11:12 AM
    • Moonset: 10:30 PM
    • Duration: 11:18 hr
    Astronomy

    Solunar Information for Rancho Cucamonga, CA

    Wed, Dec 7
    First
    Wed, Dec 14
    Full
    Wed, Dec 21
    Last
    Thu, Dec 29
    New

    Mon. Stargazing