• Tonight

    May 25

    Lo 54°

    Partly to mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • 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
      3 - Moderate
    • 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
      5 - High
    • 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
      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 >
  Wed
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Mostly Cloudy
Partly Cloudy
Partly Sunny
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Cloudy
Partly Cloudy
Temp (°F) 62° 61° 60° 59° 57° 56° 56° 55°
RealFeel® 62° 58° 56° 53° 50° 50° 50° 50°
Humidity 64% 67% 70% 73% 75% 77% 81% 82%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
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Snow
 
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Ice
 
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  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 14 W 15 W 15 W 15 W 15 W 14 WNW 13 WNW 10 WNW
UV Index 4 3 1 0 0 0 0 0
Cloud Cover 76% 59% 45% 63% 60% 75% 58% 45%
Dew Point 50° 50° 50° 50° 49° 49° 50° 50°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 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; 10:58 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