• Today

    Aug 27

    74°Lo 59°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Thu

    Aug 28

    73°Lo 60°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Aug 29

    71°Lo 60°

    Partly sunny

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

    Aug 30

    73°Lo 59°

    Low clouds breaking

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      61%
    more
  • Sun

    Aug 31

    74°Lo 59°

    Low clouds, then some sun

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      70%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Partly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 65° 68° 71° 72° 73° 74° 73° 70°
RealFeel® 70° 75° 77° 77° 77° 76° 72° 68°
Humidity 75% 70% 65% 61% 59% 58% 60% 64%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 3 W 4 WNW 5 WNW 7 WNW 9 WNW 10 WNW 10 WNW 11 WNW
UV Index 4 5 7 7 7 6 4 2
Cloud Cover 34% 35% 36% 34% 16% 11% 11% 11%
Dew Point 58° 58° 59° 58° 58° 58° 58° 58°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 27

more Historical Weather Data >
  Today Normal Record 8/27/2013
High 74° 73° 94° (1993) 72°
Low 59° 56° 46° (1952) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 13:11 of sunlight, then sets at 7:46 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:34 AM with 12:10 of moolight, then sets at 8:44 PM

Top Story

San Bruno Weather Report

San Francisco: Bright, Sunny for Holiday Weekend

August 27, 2014; 9:13 AM ET

San Francisco will see abundant sunshine over the next several days and stretching into the holiday weekend. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps