• Today

    Sep 18

    75°Lo 56°

    Clearing, a shower or two

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

    Sep 19

    84°Lo 54°

    Low clouds, then sun; warmer

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

    Sep 20

    78°Lo 54°

    Plenty of sunshine

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

    Sep 21

    78°Lo 55°

    Plenty of sun

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      10%
    more
  • Mon

    Sep 22

    82°Lo 53°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      19%
    more
Next Previous
Hi 75° RealFeel® 75° Precipitation 62%

Day

N

E

S

W

  • SSW 6 mph
  • Gusts: 16 mph

A brief shower or two; cloudy this morning, then intervals of clouds and sunshine this afternoon

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.03 in
  • Rain: 0.03 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 56° RealFeel® 55° Precipitation 12%

Night

N

E

S

W

  • NNW 2 mph
  • Gusts: 5 mph

Mainly clear

  • 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 - September 18

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 75° 88° 102° (1984) 88°
Low 56° 50° 38° (2008) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 12:20 of sunlight, then sets at 7:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:55 AM with 14:10 of moolight, then sets at 4:05 PM

Top Story

Santa Rosa Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 18, 2014; 6:37 AM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps