• Early AM

    Apr 18

    Lo 48°

    Partly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      79°
    • Wind
      Speed
      8 mph
    more
  • Today

    Apr 18

    68°Lo 50°

    Partly sunny and delightful

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      72°
    • Wind
      Speed
      8 mph
  • Sun

    Apr 19

    67°Lo 51°

    Low clouds break for some sun

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Apr 20

    65°Lo 51°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      66°
    • Wind
      Speed
      12 mph
    more
  • Tue

    Apr 21

    62°Lo 51°

    Cloudy

    Poor for home energy
    • Avg
      RealFeel
      53°
    • Hi
      RealFeel
      59°
    • Wind
      Speed
      13 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Cloudy
Temp (°F) 53° 53° 53° 52° 52° 51° 50° 50°
RealFeel® 51° 51° 50° 49° 49° 48° 48° 48°
Humidity 83% 84% 86% 87% 88% 89% 91% 93%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
0%
 
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Snow
 
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Ice
 
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 7 W 7 W 6 W 6 W 6 W 7 W 6 W 6 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 46% 46% 46% 46% 46% 46% 46% 70%
Dew Point 48° 49° 48° 48° 48° 48° 48° 48°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2014
High 68° 63° 83° (1914) 60°
Low 50° 49° 42° (1955) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 13:17 of sunlight, then sets at 7:48 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:33 AM with 13:29 of moolight, then sets at 8:02 PM

San Francisco Weather Report

San Francisco: Pleasant Conditions to Hold into New Week

April 18, 2015; 4:31 AM ET

The Bay area will see pleasant conditions hold into the new week with plenty of sunshine and comfortable temperatures. 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.

Sat. Home Energy Efficiency

Sat. Degree Days

Sat. UV Index