• Today

    Apr 21

    67°Lo 46°

    Mostly cloudy

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

    Apr 22

    73°Lo 44°

    Low clouds, then some sun

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

    Apr 23

    72°Lo 45°

    Partly sunny

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

    Apr 24

    71°Lo 45°

    Sun and some clouds

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      15 mph
    • Cloud
      Cover
      43%
    more
  • Sat

    Apr 25

    71°Lo 46°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      27%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
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  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 50° 48° 48° 47° 47° 50° 52° 54°
RealFeel® 46° 45° 45° 45° 46° 49° 52° 54°
Humidity 89% 95% 95% 94% 93% 94% 89% 83%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
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Snow
 
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Ice
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 8 W 7 W 6 W 6 W 5 WSW 6 W 6 W 7 WSW
UV Index 0 0 0 0 0 0 1 1
Cloud Cover 98% 98% 98% 98% 96% 90% 92% 93%
Dew Point 47° 47° 47° 46° 45° 48° 49° 49°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 67° N/A N/A 67°
Low 46° N/A N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:27 AM with 13:26 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:51 AM with 14:27 of moolight, then sets at 11:18 PM

Rohnert Park Weather Report

San Francisco: Clouds, Showers to Linger Ahead of Weekend

April 21, 2015; 6:20 AM ET

While cloudy conditions can be expected over the San Francisco area for the next several days, showers will not make a return until the middle of the week. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps