• Today

    Aug 21

    73°Lo 59°

    Partly sunny

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

    Aug 23

    72°Lo 58°

    Low clouds, then some sun

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

    Aug 24

    73°Lo 58°

    Clouds, then sun

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

    Aug 25

    72°Lo 58°

    Partly sunny and beautiful

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
5pm
6pm 7pm 8pm 9pm 10pm 11pm Fri
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 70° 67° 66° 63° 61° 60° 60° 60°
RealFeel® 67° 64° 61° 60° 58° 57° 57° 56°
Humidity 66% 70% 75% 79% 84% 86% 87% 88%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
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%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 10 W 9 W 8 W 6 W 6 W 6 W 5 WSW 6 WSW
UV Index 2 1 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 25% 22% 21% 25% 25%
Dew Point 58° 57° 57° 57° 56° 56° 56° 56°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Aug 21

more Historical Weather Data >
  Today Normal Record 8/21/2013
High 73° 73° 85° (1974) 72°
Low 59° 56° 42° (1928) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:30 AM with 13:25 of sunlight, then sets at 7:55 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:08 AM with 14:17 of moolight, then sets at 5:25 PM

Top Story

San Bruno Weather Report

Firefighters Race to Contain Blaze Near Yosemite

August 21, 2014; 12:45 PM ET

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

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps