• Tonight

    Dec 17

    Lo 45°

    Mostly cloudy with a shower

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Thu

    Dec 18

    57°Lo 49°

    Mostly cloudy

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

    Dec 19

    58°Lo 44°

    Morning rain, then a shower

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

    Dec 20

    58°Lo 47°

    Periods of sun

    Low ragweed pollen levels
    • Precip
      11%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      46%
    more
  • Sun

    Dec 21

    62°Lo 46°

    Fog in the morning; some sun

    Ragweed Pollen Weather
    • Precip
      11%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      68%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 46° 45° 46° 47° 49° 52° 53° 54°
RealFeel® 45° 43° 45° 46° 48° 51° 53° 54°
Humidity 93% 93% 93% 93% 93% 92% 90% 87%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
34%
 
22%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 5 NE 5 ENE 5 ENE 5 ENE 5 SE 5 SE 5 SE 5 ESE
UV Index 0 0 0 0 0 1 1 1
Cloud Cover 94% 92% 90% 88% 88% 90% 92% 93%
Dew Point 44° 43° 44° 45° 47° 50° 50° 51°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 57° N/A N/A 59°
Low 49° N/A N/A 36°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:22 AM with 9:30 of sunlight, then sets at 4:52 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:44 AM with 10:50 of moolight, then sets at 2:34 PM

Rohnert Park Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 17, 2014; 8:49 PM ET

Conditions will turn dry for San Francisco this weekend and last into next week. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps