• Tonight

    Apr 19

    Lo 48°

    Partly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 20

    67°Lo 49°

    Clouds giving way to some sun

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    Apr 21

    63°Lo 50°

    Low clouds breaking

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Tue

    Apr 22

    60°Lo 48°

    Mostly cloudy with a shower

    Low indoor dust & dander levels
    • Precip
      55%
    • Wind
      Speed
      17 mph
    • Cloud
      Cover
      76%
  • Wed

    Apr 23

    64°Lo 49°

    Mostly sunny

    Low indoor dust & dander levels
    • Precip
      4%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      17%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Showers
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 53° 54° 56° 58° 60° 59° 58° 57°
RealFeel® 47° 49° 53° 55° 57° 55° 53° 50°
Humidity 72% 68% 62% 57% 53% 54% 56% 59%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
34%
 
37%
 
43%
 
47%
 
51%
 
40%
 
34%
 
37%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 14 NW 15 NW 16 NW 17 WNW 19 WNW 20 WNW 20 WNW 20 WNW
UV Index 2 4 5 6 6 6 5 4
Cloud Cover 76% 76% 76% 76% 76% 76% 76% 76%
Dew Point 44° 44° 44° 43° 42° 42° 42° 43°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 22

more Historical Weather Data >
  Today Normal Record 4/22/2013
High 60° 65° 83° (2013) 83°
Low 48° 50° 42° (1963) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:25 AM with 13:26 of sunlight, then sets at 7:51 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:10 AM with 10:56 of moolight, then sets at 1:06 PM

Top Story

San Bruno Weather Report

Chance of Rain in San Francisco on Tuesday

April 19, 2014; 7:19 PM ET

There hasn't been any measurable precipitation in San Francisco since April 4. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Tue. Dust & Dander

Tue. Wind Maps