• Today

    Dec 18

    61°Lo 54°

    Mostly cloudy

    Poor for home energy
    • Avg
      RealFeel
      54°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      6 mph
  • Fri

    Dec 19

    61°Lo 52°

    Periods of rain

    Poor for home energy
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      7 mph
    more
  • Sat

    Dec 20

    60°Lo 52°

    Mostly cloudy

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      61°
    • Wind
      Speed
      2 mph
    more
  • Sun

    Dec 21

    63°Lo 52°

    Turning cloudy

    Poor for home energy
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      61°
    • Wind
      Speed
      7 mph
    more
  • Mon

    Dec 22

    63°Lo 50°

    Mostly sunny and mild

    Poor for home energy
    • Avg
      RealFeel
      57°
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 60° 61° 60° 59° 57° 57° 56° 56°
RealFeel® 59° 59° 57° 56° 55° 54° 53° 53°
Humidity 75% 74% 76% 79% 83% 82% 83% 83%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
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4%
 
4%
 
4%
Snow
 
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Ice
 
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  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 6 SE 6 SE 6 SSE 6 SSE 6 SSE 6 SSE 6 SSE 7 SSE
UV Index 1 1 0 0 0 0 0 0
Cloud Cover 80% 70% 66% 70% 80% 90% 93% 91%
Dew Point 52° 53° 53° 53° 52° 51° 51° 52°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 61° 56° 65° (1958) 57°
Low 54° 44° 30° (1965) 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:19 AM with 9:34 of sunlight, then sets at 4:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:41 AM with 10:53 of moolight, then sets at 2:34 PM

San Bruno 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