• Today

    Aug 30

    74°Lo 60°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Sun

    Aug 31

    74°Lo 59°

    Low clouds, then some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Mon

    Sep 1

    77°Lo 61°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Tue

    Sep 2

    73°Lo 60°

    Low clouds followed by sun

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      57%
    more
  • Wed

    Sep 3

    72°Lo 58°

    Low clouds, then sun

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      58%
    more
Next Previous
< Previous 8 hours Next 8 hours >
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Forecast
Cloudy
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Cloudy
Temp (°F) 60° 60° 60° 60° 60° 61° 63° 64°
RealFeel® 55° 55° 56° 56° 56° 57° 61° 65°
Humidity 88% 86% 86% 85% 87% 86% 82% 77%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
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Snow
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 9 WNW 8 WNW 7 WNW 8 WNW 8 W 8 W 8 W 8 WNW
UV Index 0 0 0 0 0 0 2 3
Cloud Cover 95% 95% 95% 95% 95% 95% 95% 95%
Dew Point 57° 56° 56° 56° 56° 57° 57° 57°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 74° 74° 89° (2005) 71°
Low 59° 56° 48° (1957) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 13:01 of sunlight, then sets at 7:40 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:23 PM with 10:43 of moolight, then sets at 11:06 PM

Top Story

San Bruno Weather Report

San Francisco: Bright, Sunny for First Week of September

August 30, 2014; 5:14 AM ET

San Francisco will see abundant sunshine through at least Thursday. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps