• Tonight

    Apr 19

    Lo 48°

    Partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      59°
    • Hi
      RealFeel
      67°
    • Wind
      Speed
      10 mph
    more
  • Sun

    Apr 20

    67°Lo 50°

    Clouds giving way to some sun

    Poor for home energy
    • Avg
      RealFeel
      61°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      8 mph
  • Mon

    Apr 21

    62°Lo 51°

    Low clouds breaking

    Poor for home energy
    • Avg
      RealFeel
      58°
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      9 mph
    more
  • Tue

    Apr 22

    60°Lo 47°

    Mostly cloudy with a shower

    Fair for home energy
    • Avg
      RealFeel
      53°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      16 mph
    more
  • Wed

    Apr 23

    63°Lo 52°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      53°
    • Hi
      RealFeel
      62°
    • Wind
      Speed
      13 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Cloudy
Cloudy
Temp (°F) 51° 50° 49° 49° 48° 49° 54° 56°
RealFeel® 47° 47° 46° 47° 46° 48° 53° 56°
Humidity 88% 87% 89% 91% 92% 88% 80% 77%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 6 WNW 5 WNW 5 WNW 4 WNW 4 WNW 3 NW 3 NW 3 NW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 25% 23% 23% 26% 26% 26% 100% 95%
Dew Point 48° 46° 46° 46° 46° 45° 48° 49°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 20

more Historical Weather Data >
  Today Normal Record 4/20/2013
High 67° 65° 91° (2009) 73°
Low 50° 49° 38° (1967) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:28 AM with 13:22 of sunlight, then sets at 7:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:32 AM with 10:24 of moolight, then sets at 10:56 AM

Top Story

San Bruno Weather Report

Chance of Rain in San Francisco on Tuesday

April 19, 2014; 9:09 PM ET

There hasn't been any measurable precipitation in San Francisco since April 4. 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.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index