• Early AM

    Dec 18

    Lo 48°

    A shower possible

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Today

    Dec 18

    58°Lo 52°

    Spotty showers this morning

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

    Dec 19

    58°Lo 45°

    A little rain in the morning

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

    Dec 20

    57°Lo 51°

    Periods of sunshine

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
  • Sun

    Dec 21

    63°Lo 48°

    Areas of fog in the morning

    Low ragweed pollen levels
    • Precip
      10%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      70%
    more
Next Previous
Hi 57° RealFeel® 56° Precipitation 25%

Day

N

E

S

W

  • SSW 4 mph
  • Gusts: 5 mph

Periods of sunshine

  • Max UV Index: 1 (Low)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 51° RealFeel® 50° Precipitation 68%

Night

N

E

S

W

  • SW 4 mph
  • Gusts: 6 mph

Overcast; rain and drizzle in the evening followed by a shower in spots late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.13 in
  • Rain: 0.13 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 57° 58° 79° (1999) 60°
Low 51° 36° 23° (2006) 38°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:24 AM with 9:29 of sunlight, then sets at 4:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:46 AM with 10:22 of moolight, then sets at 4:08 PM

Santa Rosa Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 18, 2014; 2:49 AM ET

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

Sat. Dust & Dander

Sat. Wind Maps