• Today

    Apr 17

    64°Lo 50°

    Partly sunny

    Neutral weather for asthma
    • Hi
      RealFeel
      67°
    • UV
      7 - High
    • Air Qual.
      Moderate
    more
  • Fri

    Apr 18

    63°Lo 49°

    Low clouds, then some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      64°
    • UV
      7 - High
    • Air Qual.
      Good
  • Sat

    Apr 19

    62°Lo 49°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      64°
    • UV
      8 - Very High
    • Air Qual.
      Good
    more
  • Sun

    Apr 20

    65°Lo 50°

    Clouds giving way to some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      66°
    • UV
      7 - High
    • Cloud
      Cover
      60%
    more
  • Mon

    Apr 21

    62°Lo 51°

    Low clouds break for some sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      62°
    • UV
      7 - High
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Partly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 53° 53° 52° 51° 51° 50° 51° 53°
RealFeel® 46° 45° 45° 44° 45° 44° 45° 48°
Humidity 83% 83% 83% 85% 87% 88% 86% 83%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 11 WNW 10 WNW 10 WNW 9 WNW 8 WNW 8 WNW 8 WNW 7 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 45% 95% 95% 95% 95% 95% 95% 95%
Dew Point 48° 48° 47° 47° 47° 47° 47° 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 4/18/2013
High 63° 63° 83° (1914) 70°
Low 49° 49° 42° (1955) 50°

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 11:37 PM with 10:19 of moolight, then sets at 9:56 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 >

Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index