• Tonight

    Mar 4

    Lo 37°

    Clear and chilly

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    Mar 5

    69°Lo 38°

    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 40°

    Plenty of sunshine

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

    Mar 7

    72°Lo 40°

    Mostly sunny and comfortable

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

    Mar 8

    71°Lo 42°

    Sunshine and comfortable

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      25%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
9pm
10pm 11pm Thu
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Temp (°F) 46° 45° 43° 42° 41° 40° 39° 38°
RealFeel® 47° 47° 45° 44° 43° 42° 41° 40°
Humidity 82% 85% 88% 89% 90% 89% 91% 92%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
0%
 
0%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 4 NNW 2 NNW 2 N 2 N 2 NNE 2 NNE 2 NE 2 NE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 0%
Dew Point 41° 40° 39° 39° 39° 37° 37° 36°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F Middle Grid line 35 F

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 66° N/A N/A 66°
Low 37° N/A N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 11:28 of sunlight, then sets at 6:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:31 PM with 12:55 of moolight, then sets at 6:26 AM

Rohnert Park 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