• Tonight

    May 25

    Lo 54°

    Partly to mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Thu

    May 26

    66°Lo 52°

    Clouds giving way to sun

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    May 27

    71°Lo 52°

    Areas of low clouds, then sun

    Moderate ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    May 28

    73°Lo 52°

    Low clouds, then sunshine

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

    May 29

    71°Lo 53°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      N/A
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
3pm
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Forecast
Partly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Sunny
Partly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 63° 62° 61° 60° 59° 57° 56° 56°
RealFeel® 66° 62° 58° 56° 53° 50° 50° 50°
Humidity 63% 64% 67% 70% 73% 75% 77% 81%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
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0%
Snow
 
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Ice
 
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  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 12 W 14 W 15 W 15 W 15 W 14 W 13 W 12 W
UV Index 6 4 3 1 0 0 0 0
Cloud Cover 66% 76% 59% 45% 63% 54% 45% 45%
Dew Point 51° 50° 50° 50° 50° 49° 49° 50°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2015
High 63° 68° 87° (1951) 64°
Low 54° 52° 45° (1967) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:28 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:36 PM with 10:33 of moolight, then sets at 10:09 AM

San Bruno Weather Report

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

May 25, 2016; 9:22 PM ET

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

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps