• Cloudy 57°
    Home Energy Efficiency Current Weather
    • Yesterday
      Temp
      55°
    • Wind
      Chill
      57°
    • Wind
      Speed
      6 mph
  • Early AM

    May 23

    Lo 56°

    Mostly cloudy

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      69°
    • Wind
      Speed
      6 mph
    Day Details >
  • Today

    May 23

    Hi 66°

    Clouds breaking and cool

    Poor for home energy
    • Avg
      RealFeel
      63°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      8 mph
    Day Details >
  • Tomorrow

    May 24

    Hi 71°

    Low clouds, then sun and cool

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      8 mph
    Day Details >
Next

Cool from today to Tuesday

5/23 5/24 Now: 3:27am
AM 3-7
  • 3am Cloudy 57° 0%
  • 4am Cloudy 57° 0%
  • 5am Cloudy 56° 0%
  • 6am Cloudy 56° 0%
  • 7am Cloudy 56° 0%
PM 2-7
  • 2pm Mostly sunny 64° 0%
  • 3pm Mostly sunny 66° 0%
  • 4pm Mostly sunny 65° 0%
  • 5pm Mostly sunny 64° 0%
  • 6pm Mostly sunny 63° 0%
  • 7pm Mostly sunny 61° 0%
PM 8-1
  • 8pm Mostly sunny 59° 0%
  • 9pm Mostly clear 58° 0%
  • 10pm Mostly clear 57° 0%
  • 11pm Mostly clear 57° 0%
  • 12am Mostly clear 56° 0%
  • 1am Partly cloudy 56° 0%
Hourly Forecast >
May 23, 2015; 5:26 AM ET
Five-day Weather Forecast for San Francisco, CA
San Francisco, CA Weather Forecast

Mountain View Weather Report

San Francisco: Cool, Cloudy Weather to Linger for Holiday Weekend

May 23, 2015; 5:17 AM ET

More clouds and cooler weather can be expected across the Bay Area through the holiday weekend and into the new week. more >

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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