• Today

    Sep 4

    84°Lo 47°

    Partly sunny

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

    Sep 5

    85°Lo 48°

    Mostly sunny

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

    Sep 6

    90°Lo 51°

    Warm with plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Sep 7

    92°Lo 53°

    Clear

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Sep 8

    92°Lo 54°

    Partly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 44° 49° 55° 62° 69° 77° 80° 84°
RealFeel® 50° 56° 63° 69° 75° 82° 84° 85°
Humidity 100% 88% 73% 55% 40% 28% 23% 23%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
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0%
Snow
 
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Ice
 
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 0 1 NNW 4 NW 6 NNW 7 NW 8 WNW 9 WSW 12 SW
UV Index 1 2 3 5 6 6 6 5
Cloud Cover 32% 37% 27% 26% 26% 26% 26% 26%
Dew Point 44° 46° 46° 46° 44° 42° 40° 42°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 84° N/A N/A 76°
Low 47° N/A N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 12:54 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:58 PM with 14:26 of moolight, then sets at 2:24 PM

Santa Rosa Weather Report

San Francisco: Pleasant Stretch Continues Through Labor Day

September 4, 2015; 10:12 AM ET

As a ridge moves in from the west over the weekend and early next week, high temperatures will swing back above normal. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps