• Today

    Dec 18

    58°Lo 52°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Fri

    Dec 19

    58°Lo 46°

    A little rain in the morning

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Sat

    Dec 20

    56°Lo 48°

    Mostly cloudy, afternoon rain

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sun

    Dec 21

    64°Lo 49°

    Areas of fog in the morning

    Low ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
  • Mon

    Dec 22

    65°Lo 45°

    Areas of morning fog

    Ragweed Pollen Weather
    • Precip
      4%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      59%
    more
Next Previous
Hi 58° RealFeel® 57° Precipitation 66%

Day

N

E

S

W

  • WNW 4 mph
  • Gusts: 6 mph

Mostly cloudy; a little rain in the morning followed by a brief shower or two in the afternoon

  • Max UV Index: 1 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.18 in
  • Rain: 0.18 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 46° RealFeel® 48° Precipitation 25%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 2 mph

Cloudy

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • 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 - December 19

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 58° 58° 69° (1996) 58°
Low 46° 36° 24° (2012) 29°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:23 AM with 9:29 of sunlight, then sets at 4:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:45 AM with 10:33 of moolight, then sets at 3:18 PM

Santa Rosa Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 18, 2014; 12:34 PM ET

Conditions will turn dry for San Francisco this weekend and last into next week. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps