• Early AM

    May 1

    Lo 53°

    Mainly clear

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

    May 1

    77°Lo 52°

    Sunny and warm

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

    May 2

    70°Lo 52°

    Clouds breaking for sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    May 3

    66°Lo 52°

    Periods of sun

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

    May 4

    63°Lo 51°

    Mainly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Mostly Clear
Mostly Clear
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 55° 55° 55° 55° 54° 54° 52° 55°
RealFeel® 55° 55° 55° 54° 54° 54° 52° 54°
Humidity 82% 84% 85% 84% 84% 85% 91% 85%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
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Snow
 
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Ice
 
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  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 5 SW 5 SSW 5 SSW 5 SSW 5 SSW 5 SSW 5 SSW 5 SSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 11% 12% 95% 95% 95% 95% 95% 95%
Dew Point 50° 51° 51° 50° 50° 50° 50° 50°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 2

more Historical Weather Data >
  Today Normal Record 5/2/2015
High 70° 66° 89° (2013) 67°
Low 52° 50° 42° (1954) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 13:48 of sunlight, then sets at 8:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:59 AM with 11:23 of moolight, then sets at 2:22 PM

San Bruno Weather Report

San Francisco: Rain showers may dampen the Bay Area for midweek

May 1, 2016; 2:37 AM ET

There is the potential a storm will dive across California and bring a soaking rain for later next week and weekend. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps