• Today

    May 4

    62°Lo 51°

    Clouds breaking for sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Tue

    May 5

    64°Lo 50°

    Mostly sunny and breezy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    May 6

    65°Lo 50°

    Sunshine; windy in the p.m.

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    May 7

    65°Lo 51°

    Windy in the afternoon

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    May 8

    64°Lo 52°

    Mostly cloudy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 51° 51° 52° 52° 52° 53° 54° 55°
RealFeel® 47° 47° 48° 48° 49° 50° 52° 54°
Humidity 86% 85% 85% 85% 87% 83% 79% 77%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 8 WNW 8 WNW 8 W 7 W 7 W 7 W 8 W 8 WSW
UV Index 0 0 0 0 0 0 1 1
Cloud Cover 100% 100% 100% 100% 96% 100% 100% 100%
Dew Point 47° 47° 47° 47° 48° 48° 48° 48°
Middle Grid line 60 F 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 51° 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 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Mon. Snow Day Potential