• Today

    May 4

    62°Lo 50°

    Low clouds may break

    Advisory for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      2%
    • Hours of Precip
      0
  • Tue

    May 5

    64°Lo 50°

    Low clouds break for some sun

    Watch for hair frizz
    • Wind
      Gust
      28 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Wed

    May 6

    66°Lo 51°

    Sunshine; windy in the p.m.

    Watch for hair frizz
    • Wind
      Gust
      31 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Thu

    May 7

    66°Lo 50°

    Windy in the afternoon

    Watch for hair frizz
    • Wind
      Gust
      27 mph
    • Precip
      5%
    • Hours of Precip
      0
    more
  • Fri

    May 8

    64°Lo 51°

    Mostly cloudy

    Advisory for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 54° 53° 53° 53° 52° 52° 52° 51°
RealFeel® 48° 47° 47° 48° 48° 47° 47° 46°
Humidity 78% 80% 80% 80% 80% 81% 82% 83%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 13 W 12 W 10 W 9 W 9 W 9 W 9 W 9 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 25% 25% 25% 25% 25% 25% 25% 25%
Dew Point 48° 47° 47° 47° 46° 47° 46° 46°
Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2014
High 62° 67° 84° (2013) 68°
Low 50° 51° 40° (1952) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 13:51 of sunlight, then sets at 8:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:48 PM with 10:38 of moolight, then sets at 7:26 AM

San Bruno Weather Report

San Francisco: Seasonable Temperatures to Continue Through Week

May 4, 2015; 7:42 AM ET

A pattern of seasonable temperatures will continue through the first part of the new week, with low clouds in the morning and sunny conditions through the afternoon. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Mon. Hair Frizz

Mon. Wind Maps

Mon. UV Index