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    • Today

      Sep 27

      56° /47°F
      Cool with rain and drizzle
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
    • Wed

      Sep 28

      61° /50°
      Windy with a little rain
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Thu

      Sep 29

      66° /54°
      A passing shower or two
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Fri

      Sep 30

      60° /54°
      Clouds and sun with a shower
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      62° /50°
      Occasional rain and drizzle
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    56°Hi RealFeel® 51° Precipitation 80%
    Cool with on-and-off rain and drizzle
    • WSW 12 mph
    • Gusts: 25 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 3%
    • Precipitation: 0.11 in
    • Rain: 0.11 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 3.5 hrs
    • Hours of Rain: 3.5 hrs

    Night

    47°Lo RealFeel® 43° Precipitation 64%
    Considerable cloudiness; a couple of showers this evening followed by a little rain late
    • SE 5 mph
    • Gusts: 9 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.12 in
    • Rain: 0.12 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Tustin Pollen Levels Sep 27

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

      Low

    • Ragweed Pollen

      Moderate

    • Mold

      High

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/27/2015
    High 56° 64° 82° (1946) 70°
    Low 47° 42° 19° (1947) 59°

    Sunrise/Sunset

    • Sunrise: 7:36 AM
    • Sunset: 7:29 PM
    • Duration: 11:53 hr

    Moonrise/Moonset

    • Moonrise: 4:06 AM
    • Moonset: 6:01 PM
    • Duration: 13:55 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps