• Today

    Mar 4

    67°Lo 37°

    Plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    Mar 5

    70°Lo 37°

    Plenty of sun

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

    Mar 6

    71°Lo 39°

    Sunny and pleasant

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

    Mar 7

    73°Lo 42°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      25%
    more
  • Sun

    Mar 8

    72°Lo 42°

    Partly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      45%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
6pm
7pm 8pm 9pm 10pm 11pm Thu
12am
1am
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Forecast
Sunny
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Temp (°F) 57° 52° 49° 47° 45° 43° 42° 42°
RealFeel® 57° 53° 50° 48° 46° 45° 44° 43°
Humidity 60% 68% 74% 81% 85% 84% 87% 87%
   
  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Rain
 
0%
 
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0%
Snow
 
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Ice
 
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  6pm 7pm 8pm 9pm 10pm 11pm 12am 1am
Wind (mph) 5 SSW 4 SSW 2 SW 2 NNW 2 N 2 N 2 NNE 2 NNE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 0%
Dew Point 43° 42° 41° 41° 40° 39° 39° 38°
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 - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 67° N/A N/A 63°
Low 37° N/A N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 11:29 of sunlight, then sets at 6:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:30 PM with 12:55 of moolight, then sets at 6:25 AM

Santa Rosa Weather Report

San Francisco: Dry Pattern, Warmth to Continue Through Weekend

March 4, 2015; 11:35 AM ET

Above-average temperatures and clear, sunny skies will sweep across San Francisco through out the rest of the week and into early next week. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps