• Today

    Dec 18

    58°Lo 49°

    Mostly cloudy

    Poor for home energy
    • Avg
      RealFeel
      51°
    • Hi
      RealFeel
      57°
    • Wind
      Speed
      5 mph
  • Fri

    Dec 19

    59°Lo 45°

    Morning rain, then a shower

    Poor for home energy
    • Avg
      RealFeel
      51°
    • Hi
      RealFeel
      56°
    • Wind
      Speed
      5 mph
    more
  • Sat

    Dec 20

    58°Lo 48°

    Mostly cloudy, afternoon rain

    Poor for home energy
    • Avg
      RealFeel
      53°
    • Hi
      RealFeel
      57°
    • Wind
      Speed
      4 mph
    more
  • Sun

    Dec 21

    63°Lo 47°

    Areas of fog in the morning

    Poor for home energy
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      63°
    • Wind
      Speed
      5 mph
    more
  • Mon

    Dec 22

    64°Lo 45°

    Fog in the morning; clearing

    Poor for home energy
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      64°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Showers
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 50° 50° 49° 48° 46° 45° 48° 49°
RealFeel® 45° 46° 46° 45° 44° 43° 46° 47°
Humidity 92% 92% 93% 93% 93% 93% 93% 94%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
43%
 
47%
 
51%
 
17%
 
13%
 
17%
 
11%
 
11%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 7 E 7 ENE 6 ENE 6 ENE 5 ENE 5 ENE 5 ESE 5 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 99% 99% 99% 96% 96% 93% 98% 97%
Dew Point 48° 48° 47° 46° 44° 43° 46° 47°
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 58° 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 18, 2014; 12:34 PM ET

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

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Thu. Home Energy Efficiency

Thu. Degree Days

Thu. UV Index