• Tonight

    Dec 18

    Lo 54°

    A little rain toward dawn

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Dec 19

    61°Lo 52°

    Periods of rain

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
    more
  • Sat

    Dec 20

    60°Lo 52°

    Mostly cloudy

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

    Dec 21

    63°Lo 52°

    Turning cloudy

    Low ragweed pollen levels
    • Precip
      7%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      72%
    more
  • Mon

    Dec 22

    63°Lo 50°

    Mostly sunny and mild

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      18%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
4pm
5pm 6pm 7pm 8pm 9pm 10pm 11pm
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 60° 59° 57° 57° 56° 56° 56° 56°
RealFeel® 60° 58° 56° 55° 55° 54° 53° 51°
Humidity 76% 79% 83% 82% 83% 83% 85% 86%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
0%
 
0%
 
0%
 
4%
 
4%
 
4%
 
6%
 
6%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
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0%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 2 N 2 N 2 N 4 N 5 SSE 5 SSE 6 SSE 8 SSE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 75% 78% 86% 95% 97% 93% 91% 89%
Dew Point 53° 53° 52° 51° 51° 52° 52° 51°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 61° 56° 65° (1958) 57°
Low 54° 44° 30° (1965) 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:19 AM with 9:34 of sunlight, then sets at 4:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:41 AM with 10:53 of moolight, then sets at 2:34 PM

San Bruno Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 18, 2014; 3:34 PM ET

Conditions will turn dry for San Francisco this weekend and last into next week. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps