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    • Today

      Jan 18

      62° /52°
      Pleasant with clouds and sun
      • 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
      More
    • Thu

      Jan 19

      64° /50°F
      A.M. downpours; mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Fri

      Jan 20

      61° /48°
      A.M. downpours, then showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Jan 21

      63° /51°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jan 22

      61° /50°
      Heavy rain developing; cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    64°Hi RealFeel® 62° Precipitation 80%
    Rain, some heavy, early on in the morning; mostly cloudy; watch for flooding
    • WSW 9 mph
    • Gusts: 14 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 20%
    • Precipitation: 0.48 in
    • Rain: 0.48 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 3 hrs
    • Hours of Rain: 3 hrs

    Night

    50°Lo RealFeel® 49° Precipitation 69%
    Mostly cloudy with a couple of showers
    • SSW 4 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.22 in
    • Rain: 0.22 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 2.5 hrs

    Fullerton Pollen Levels Jan 19

    • 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 1/19/2016
    High 64° 68° 84° (2005) 67°
    Low 50° 45° 39° (2007) 54°

    Sunrise/Sunset

    • Sunrise: 6:56 AM
    • Sunset: 5:10 PM
    • Duration: 10:14 hr

    Moonrise/Moonset

    • Moonrise: 1:10 AM
    • Moonset: 11:27 AM
    • Duration: 10:16 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps