• Today

    Sep 1

    91°Lo 55°

    Plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Tue

    Sep 2

    81°Lo 54°

    Clouds, then sun; not as warm

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Wed

    Sep 3

    81°Lo 55°

    Low clouds, then some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Thu

    Sep 4

    80°Lo 54°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      60%
    more
  • Fri

    Sep 5

    79°Lo 53°

    Low clouds, then sun

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      57%
    more
Next Previous
Hi 91° RealFeel® 92° Precipitation 1%

Day

N

E

S

W

  • S 5 mph
  • Gusts: 10 mph

Plenty of sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 55° RealFeel® 55° Precipitation 2%

Night

N

E

S

W

  • N 2 mph
  • Gusts: 7 mph

Clear early, then areas of low clouds forming

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • 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 - September 1

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 1

more Historical Weather Data >
  Today Normal Record 9/1/2013
High 91° 90° 105° (1998) 89°
Low 55° 52° 45° (1982) 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 13:01 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:26 PM with 10:25 of moolight, then sets at 11:51 PM

Top Story

Santa Rosa Weather Report

San Francisco: Bright, Sunny for First Week of September

September 1, 2014; 1:53 AM ET

San Francisco will see abundant sunshine through at least Thursday. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps