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    • Today

      Sep 23

      58° /52°F
      Cooler; a little p.m. rain
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sun

      Sep 24

      57° /48°
      Heavy rain and a thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Sep 25

      55° /44°
      Mostly cloudy and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Sep 26

      59° /42°
      Mostly cloudy
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Wed

      Sep 27

      68° /45°
      Sunshine and patchy clouds
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    58°Hi RealFeel® 57° Precipitation 75%
    Rather cloudy and cooler; a little afternoon rain
    • Winds from the
    • NNE 9 mph
    • Gusts: 13 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 13%
    • Precipitation: 0.02 in
    • Rain: 0.02 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Night

    52°Lo RealFeel® 43° Precipitation 76%
    Periods of heavy rain and a thunderstorm; watch for flooding
    • Winds from the
    • NNE 9 mph
    • Gusts: 14 mph
    • Max UV Index: N/A
    • Thunderstorms: 30%
    • Precipitation: 1.24 in
    • Rain: 1.24 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 8 hrs
    • Hours of Rain: 8 hrs

    Fullerton Pollen Levels Sep 23

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/23/2016
    High 58° 68° N/A 64°
    Low 52° 42° N/A 57°

    Sunrise/Sunset

    • Sunrise: 7:22 AM
    • Sunset: 7:30 PM
    • Duration: 12:08 hr

    Moonrise/Moonset

    • Moonrise: 10:51 AM
    • Moonset: 9:34 PM
    • Duration: 10:43 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps