• Early AM

    May 23

    Lo 55°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    May 23

    63°Lo 53°

    Clouds giving way to some sun

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

    May 24

    65°Lo 55°

    Low clouds, then sunshine

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

    May 25

    68°Lo 56°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      60%
    more
  • Tue

    May 26

    68°Lo 55°

    Low clouds, then sun

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      60%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 55° 55° 57° 58° 59° 61° 62° 63°
RealFeel® 52° 52° 55° 57° 59° 62° 64° 63°
Humidity 83% 82% 78% 74% 70% 67% 65% 64%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
7%
 
5%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 7 WSW 8 WSW 8 WSW 8 WSW 8 W 8 W 9 W 10 W
UV Index 0 0 0 1 2 2 3 3
Cloud Cover 91% 93% 100% 98% 95% 95% 95% 95%
Dew Point 50° 49° 50° 50° 50° 50° 51° 50°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 63° 68° 88° (2000) 69°
Low 53° 52° 46° (1954) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 14:25 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:11 AM with 13:43 of moolight, then sets at 12:54 AM

San Bruno Weather Report

San Francisco: Cool, Cloudy Weather to Linger for Holiday Weekend

May 23, 2015; 3:17 AM ET

More clouds and cooler weather can be expected across the Bay Area through the holiday weekend and into the new week. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps