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    • Today

      Oct 1

      73° /48°
      Low clouds, then sun and cool
      • 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
    • Sun

      Oct 2

      66° /45°F
      An afternoon shower in spots
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Mon

      Oct 3

      64° /49°
      Partly sunny and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Oct 4

      70° /45°
      Clouds breaking and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Oct 5

      77° /45°
      Clouds breaking for sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    66°Hi RealFeel® 66° Precipitation 40%
    Mostly cloudy and cool; an afternoon shower in places
    • W 9 mph
    • Gusts: 17 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 20%
    • Precipitation: 0.01 in
    • Rain: 0.01 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    45°Lo RealFeel® 45° Precipitation 25%
    Partly cloudy
    • NW 5 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Santa Rosa Pollen Levels Oct 2

    • 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 10/2/2015
    High 66° 81° 105° (1980) 88°
    Low 45° 47° 33° (1950) 49°

    Sunrise/Sunset

    • Sunrise: 7:08 AM
    • Sunset: 6:50 PM
    • Duration: 11:42 hr

    Moonrise/Moonset

    • Moonrise: 8:36 AM
    • Moonset: 8:03 PM
    • Duration: 11:27 hr
    Astronomy

    Santa Rosa Weather Report

    Cooler air, showers to aid in wildfire efforts across California this weekend

    October 1, 2016; 9:10 AM ET

    Improving weather over the next several days will aid officials in battling wildfires across California. More >

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps