• Early AM

    May 26

    Lo 54°

    Cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    May 26

    66°Lo 52°

    Clouds giving way to sun

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    May 27

    71°Lo 52°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    May 28

    73°Lo 52°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    May 29

    71°Lo 53°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
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  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Cloudy
Mostly Cloudy
Temp (°F) 54° 54° 52° 53° 53° 54° 56° 59°
RealFeel® 55° 54° 53° 54° 54° 56° 60° 66°
Humidity 83% 82% 85% 82% 83% 82% 82% 77%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
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Snow
 
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Ice
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 4 SW 4 SW 2 SW 2 SSW 2 SSW 2 SSW 2 S 4 WSW
UV Index 0 0 0 0 0 0 1 3
Cloud Cover 25% 25% 25% 25% 25% 25% 76% 76%
Dew Point 49° 48° 47° 48° 48° 49° 51° 52°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2015
High 71° 69° 97° (1984) 64°
Low 52° 52° 42° (1954) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 14:30 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:14 AM with 2:54 of moolight, then sets at 10:09 AM

San Bruno Weather Report

San Francisco: Milder air to build ahead of Memorial Day weekend

May 26, 2016; 12:58 AM ET

Following a stretch of cool days, milder air will begin to build across the Bay area heading into Memorial Day weekend. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps