• Tonight

    Jul 27

    Lo 59°

    Increasing clouds

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Mon

    Jul 28

    77°Lo 59°

    Partly sunny

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

    Jul 29

    76°Lo 60°

    Partly sunny

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

    Jul 30

    78°Lo 62°

    Sunshine and patchy clouds

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      25%
    more
  • Thu

    Jul 31

    77°Lo 61°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      21%
    more
Next Previous
Next 8 hours >
  Mon
5am
5am 5am 5am 5am 5am 5am 5am
  5am 5am 5am 5am 5am 5am 5am 5am
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F)
RealFeel®
Humidity 0% 0% 0% 0% 0% 0% 0% 0%
   
  5am 5am 5am 5am 5am 5am 5am 5am
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%
   
  5am 5am 5am 5am 5am 5am 5am 5am
Wind (mph) 0 0 0 0 0 0 0 0
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 0%
Dew Point
Middle Grid line 5 F Middle Grid line 0 F Middle Grid line -5 F

Temperature History - Jul 27

more Historical Weather Data >
  Today Normal Record 7/27/2013
High 76° 72° 86° (1967) 70°
Low 59° 56° 48° (1951) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 14:14 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:00 AM with 13:37 of moolight, then sets at 8:37 PM

Top Story

San Bruno Weather Report

California Wildfires Continue in Sierra Nevada Foothills, Yosemite National Park

July 27, 2014; 8:58 PM ET

A wildfire that has already destroyed at least 17 structures is threatening more than 500 more in the Sierra Nevada foothills near Plymouth, California, state fire officials said Sunday. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps