• Early AM

    Aug 31

    Lo 54°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Today

    Aug 31

    89°Lo 54°

    Partly sunny

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

    Sep 1

    89°Lo 55°

    Plenty of sun

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

    Sep 2

    80°Lo 55°

    Low clouds, then sun

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      55%
    more
  • Wed

    Sep 3

    79°Lo 55°

    Low clouds, then some sun

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      60%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Clear
Clear
Clear
Clear
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 58° 56° 55° 54° 56° 60° 63° 69°
RealFeel® 55° 54° 53° 53° 55° 60° 66° 72°
Humidity 82% 85% 88% 90% 89% 70% 63% 51%
   
  3am 4am 5am 6am 7am 8am 9am 10am
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%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 5 SSE 4 SSE 4 SSE 3 SSE 3 ENE 3 NW 3 NW 3 NW
UV Index 0 0 0 0 0 1 2 3
Cloud Cover 0% 0% 0% 3% 5% 24% 26% 26%
Dew Point 52° 52° 52° 51° 52° 50° 51° 50°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 89° 90° 105° (1998) 94°
Low 54° 52° 41° (2008) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 13:03 of sunlight, then sets at 7:42 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:26 PM with 10:39 of moolight, then sets at 11:05 PM

Top Story

Santa Rosa Weather Report

San Francisco: Bright, Sunny for First Week of September

August 31, 2014; 3:14 AM ET

San Francisco will see abundant sunshine through at least Thursday. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps