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    • Early AM

      Jan 17

      34° Lo
      Partly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Today

      Jan 17

      54° /43°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Jan 18

      53° /45°F
      Rain, becoming heavy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Thu

      Jan 19

      55° /47°
      A morning shower, then rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Jan 20

      52° /37°
      Mostly cloudy, showers; cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    53°Hi RealFeel® 44° Precipitation 81%
    Rain, becoming heavy; watch for flooding
    • SSE 10 mph
    • Gusts: 16 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 5%
    • Precipitation: 0.91 in
    • Rain: 0.91 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 11 hrs
    • Hours of Rain: 11 hrs

    Night

    45°Lo RealFeel® 41° Precipitation 83%
    Mostly cloudy with rain tapering to a couple of showers
    • SW 7 mph
    • Gusts: 16 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.32 in
    • Rain: 0.32 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 4 hrs
    • Hours of Rain: 4 hrs

    Santa Rosa Pollen Levels Jan 18

    • 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 1/18/2016
    High 53° 57° 74° (1976) 58°
    Low 45° 37° 23° (1963) 51°

    Sunrise/Sunset

    • Sunrise: 7:25 AM
    • Sunset: 5:17 PM
    • Duration: 9:52 hr

    Moonrise/Moonset

    • Moonrise: 9:10 AM
    • Moonset: 11:12 AM
    • Duration: 2:01 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps