• Tonight

    Aug 20

    Lo 60°

    Turning cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Thu

    Aug 21

    73°Lo 58°

    Low clouds break for some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Aug 22

    70°Lo 57°

    Low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Sat

    Aug 23

    73°Lo 57°

    Low clouds, then some sun

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      60%
    more
  • Sun

    Aug 24

    72°Lo 58°

    Clouds, then sun

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      57%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 61° 63° 65° 67° 69° 70° 69° 67°
RealFeel® 59° 62° 65° 67° 69° 71° 69° 66°
Humidity 83% 79% 75% 69% 65% 63% 65% 68%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
 
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0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 6 WSW 7 WSW 7 WSW 9 W 10 W 12 W 12 W 13 W
UV Index 1 2 2 4 5 7 6 4
Cloud Cover 95% 95% 95% 95% 95% 25% 25% 25%
Dew Point 56° 56° 56° 56° 57° 56° 57° 56°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 22

more Historical Weather Data >
  Today Normal Record 8/22/2013
High 70° 73° 90° (1999) 70°
Low 57° 56° 44° (1928) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 13:22 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:01 AM with 14:03 of moolight, then sets at 6:04 PM

Top Story

San Bruno Weather Report

Firefighters Race to Contain Blaze Near Yosemite

August 21, 2014; 1:13 AM ET

All evacuation orders were lifted as containment increased early Wednesday. more >

Fri. Dust & Dander

Fri. Wind Maps