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Personalized Forecasts

Featured Forecast

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    My Recent Locations

    • Today

      Sep 25

      99° /67°
      Abundant sunshine
      • Very Good
      • for running
      • Precip: 3%
      • Hours of Precip: 0
      • Wind Gust: 13 mph
      More
    • Mon

      Sep 26

      102° /71°F
      Sunny and very hot
      • Very Good
      • for running
      • Precip: 7%
      • Hours of Precip: 0
      • Wind Gust: 14 mph
    • Tue

      Sep 27

      93° /68°
      Partly sunny and hot
      • Excellent
      • for running
      • Precip: 4%
      • Hours of Precip: 0
      • Wind Gust: 12 mph
      More
    • Wed

      Sep 28

      90° /67°
      Sunny and very warm
      • Very Good
      • for running
      • Precip: 3%
      • Hours of Precip: 0
      • Wind Gust: 10 mph
      More
    • Thu

      Sep 29

      89° /66°
      Sunny and very warm
      • Very Good
      • for running
      • Precip: 2%
      • Hours of Precip: 0
      • Wind Gust: 10 mph
      More

    Day

    102°Hi RealFeel® 107° Precipitation 7%
    Sunny and very hot; extreme heat can be dangerous for outdoor activities
    • ESE 6 mph
    • Gusts: 14 mph
    • Max UV Index: 7 (High)
    • 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

    71°Lo RealFeel® 69° Precipitation 6%
    Clear to partly cloudy
    • E 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 9/26/2015
    High 102° 82° 107° (2010) 92°
    Low 71° 62° 56° (2005) 71°

    Sunrise/Sunset

    • Sunrise: 6:43 AM
    • Sunset: 6:42 PM
    • Duration: 11:59 hr

    Moonrise/Moonset

    • Moonrise: 2:39 AM
    • Moonset: 4:22 PM
    • Duration: 13:43 hr
    Astronomy

    Fullerton Weather Report

    Santa Ana winds, heat to raise wildfire threat across Southern California into Monday

    September 25, 2016; 12:47 PM ET

    Hot, dry and windy weather into Monday will lead to an increased risk of wildfires across Southern California. More >