• Tonight

    Mar 26

    Lo 54°

    Clear to partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Fri

    Mar 27

    67°Lo 54°

    Plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Mar 28

    70°Lo 52°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Mar 29

    72°Lo 53°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      26%
    more
  • Mon

    Mar 30

    70°Lo 54°

    Sunshine; breezy in the p.m.

    Ragweed Pollen Weather
    • Precip
      15%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      21%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
8am
9am 10am
  8am 9am 10am
Forecast
Partly Sunny
Sunny
Sunny
Temp (°F) 55° 57° 60°
RealFeel® 57° 62° 68°
Humidity 91% 87% 81%
   
  8am 9am 10am
Rain
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
   
  8am 9am 10am
Wind (mph) 2 N 2 NNE 4 W
UV Index 0 2 3
Cloud Cover 39% 6% 6%
Dew Point 52° 54° 54°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Mar 26

more Historical Weather Data >
  Today Normal Record 3/26/2014
High 74° 63° 79° (2015) 62°
Low 54° 48° 38° (1980) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:04 AM with 12:23 of sunlight, then sets at 7:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:54 AM with 14:25 of moolight, then sets at 2:19 AM

San Bruno Weather Report

San Francisco: Warmth to Hold into New Week

March 27, 2015; 12:35 AM ET

Warm weather and sunshine will continue to hold into the new week across the Bay Area. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps