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    • Today

      Jan 19

      55° /47°
      Mostly cloudy with a shower
      • 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
    • Fri

      Jan 20

      53° /43°F
      Cloudy and cool with showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sat

      Jan 21

      54° /46°
      Mostly cloudy, afternoon rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jan 22

      52° /39°
      A.M. downpours; brief showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Jan 23

      51° /40°
      Cloudy and cool with showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    53°Hi RealFeel® 46° Precipitation 95%
    Cloudy and cool with showers
    • WSW 9 mph
    • Gusts: 14 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 29%
    • Precipitation: 0.42 in
    • Rain: 0.42 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 7 hrs
    • Hours of Rain: 7 hrs

    Night

    43°Lo RealFeel® 37° Precipitation 65%
    Mostly cloudy and cool with a brief shower or two
    • W 8 mph
    • Gusts: 13 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.15 in
    • Rain: 0.15 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2.5 hrs
    • Hours of Rain: 2.5 hrs

    Santa Rosa Pollen Levels Jan 20

    • 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 1/20/2016
    High 53° 57° 70° (2014) 60°
    Low 43° 37° 24° (1963) 44°

    Sunrise/Sunset

    • Sunrise: 7:25 AM
    • Sunset: 5:19 PM
    • Duration: 9:54 hr

    Moonrise/Moonset

    • Moonrise: 12:59 AM
    • Moonset: 12:14 PM
    • Duration: 11:15 hr
    Astronomy

    Fri. Pollen

    Fri. Dust & Dander

    Fri. Wind Maps