• Clear 64°
    Common Cold Current Weather
    • Relative Humidity
      74%
    • Yesterday
      Temp
      69°
    • RealFeel
      66°
  • Tonight

    Aug 31

    Lo 60°

    Increasing cloudiness

    Common Cold Weather
    • Avg
      Temp
      68°
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      77°
    Day Details >
  • Tomorrow

    Sep 1

    Hi 74°

    Low clouds followed by sun

    Beneficial weather for colds
    • Avg
      Temp
      66°
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      80°
    Day Details >
  • Friday

    Sep 2

    Hi 77°

    Low clouds, then sun

    Beneficial weather for colds
    • Avg
      Temp
      68°
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      81°
    Day Details >
Next

Cool Sunday

8/31 9/1 Now: 10:50pm
PM 10-2
  • 10pm Partly cloudy 64° 0%
  • 11pm Partly cloudy 64° 0%
  • 12am Mostly clear 63° 0%
  • 1am Mostly clear 62° 0%
  • 2am Cloudy 61° 0%
AM 9-2
  • 9am Cloudy 63° 0%
  • 10am Cloudy 64° 0%
  • 11am Cloudy 67° 0%
  • 12pm Cloudy 70° 0%
  • 1pm Cloudy 72° 0%
  • 2pm Mostly sunny 74° 0%
PM 3-8
  • 3pm Mostly sunny 73° 0%
  • 4pm Mostly sunny 71° 0%
  • 5pm Mostly sunny 70° 0%
  • 6pm Mostly sunny 69° 0%
  • 7pm Mostly sunny 66° 0%
  • 8pm Mostly clear 64° 0%
Hourly Forecast >
Aug 31, 2016; 4:21 PM ET
Five-day Weather Forecast for San Francisco, CA
San Francisco, CA Weather Forecast

Respiratory Health Live Feed

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Flu Season is Just Around the Corner

Sep 11, 2012; 2:00 PM ET The peak of flu season may not be until January, but preparations should begin now. Adrienne Veilleux has more.

Wed. Cold & Flu

Wed. UV Index