• Tonight

    Mar 27

    Lo 54°

    Partly cloudy

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

    Mar 28

    69°Lo 50°

    Partly sunny

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

    Mar 29

    72°Lo 52°

    Mostly sunny and pleasant

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

    Mar 30

    68°Lo 53°

    Sunshine; breezy in the p.m.

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      16 mph
    • Cloud
      Cover
      28%
    more
  • Tue

    Mar 31

    67°Lo 50°

    Windy in the afternoon

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      17 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Next 8 hours >
  Sat
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Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F)
RealFeel®
Humidity 0% 0% 0% 0% 0% 0% 0% 0%
   
  4am 4am 4am 4am 4am 4am 4am 4am
Rain
 
0%
 
0%
 
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0%
Snow
 
0%
 
0%
 
0%
 
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Ice
 
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  4am 4am 4am 4am 4am 4am 4am 4am
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 - Mar 27

more Historical Weather Data >
  Today Normal Record 3/27/2014
High 66° 63° 77° (1986) 65°
Low 54° 48° 40° (1972) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:03 AM with 12:25 of sunlight, then sets at 7:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:47 PM with 14:17 of moolight, then sets at 3:04 AM

San Bruno Weather Report

San Francisco: Warmth to Hold into New Week

March 27, 2015; 6:05 PM 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?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps