• Early AM

    Apr 18

    Lo 50°

    Low clouds

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      50°
    • Hi
      RealFeel
      56°
    • Wind
      Speed
      8 mph
    more
  • Today

    Apr 18

    64°Lo 48°

    Low clouds, then some sun

    Poor for home energy
    • Avg
      RealFeel
      57°
    • Hi
      RealFeel
      65°
    • Wind
      Speed
      10 mph
  • Sat

    Apr 19

    62°Lo 48°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      55°
    • Hi
      RealFeel
      63°
    • Wind
      Speed
      11 mph
    more
  • Sun

    Apr 20

    66°Lo 50°

    Clouds giving way to some sun

    Poor for home energy
    • Avg
      RealFeel
      60°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Apr 21

    63°Lo 52°

    Low clouds break for some sun

    Poor for home energy
    • Avg
      RealFeel
      56°
    • Hi
      RealFeel
      64°
    • Wind
      Speed
      9 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1pm
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Forecast
Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Temp (°F) 62° 63° 64° 63° 62° 60° 58° 55°
RealFeel® 64° 65° 65° 62° 58° 55° 52° 49°
Humidity 62% 59% 59% 60% 63% 67% 72% 77%
   
  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Rain
 
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  1pm 2pm 3pm 4pm 5pm 6pm 7pm 8pm
Wind (mph) 10 W 11 W 11 W 12 W 12 W 11 W 11 W 10 W
UV Index 6 7 6 4 2 1 0 0
Cloud Cover 95% 26% 26% 26% 26% 27% 27% 26%
Dew Point 49° 48° 49° 49° 49° 49° 49° 48°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 18

more Historical Weather Data >
  Today Normal Record 4/18/2013
High 64° 63° 83° (1914) 70°
Low 48° 49° 42° (1955) 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:32 AM with 13:15 of sunlight, then sets at 7:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:36 PM with 10:24 of moolight, then sets at 9:00 AM

Top Story

San Francisco Weather Report

San Francisco: No Rain in Sight, Morning Clouds to Break for Afternoon Sunshine

April 17, 2014; 12:46 PM ET

For the remainder of the week and into the weekend, morning clouds will give way to mostly sunny skies. 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.

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index