• Tonight

    Sep 21

    Lo 56°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Mon

    Sep 22

    78°Lo 53°

    Areas of low clouds, then sun

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

    Sep 23

    80°Lo 59°

    Areas of low clouds, then sun

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

    Sep 24

    78°Lo 57°

    Cloudy and cool

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      85%
    more
  • Thu

    Sep 25

    72°Lo 53°

    Clouds and sun with a shower

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      69%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 60° 63° 64° 67° 72° 73° 73° 76°
RealFeel® 61° 62° 66° 68° 75° 78° 76° 78°
Humidity 83% 78% 75% 68% 57% 55% 55% 51%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 0 3 WSW 0 0 6 SSE 4 SSW 6 S 5 SSW
UV Index 0 0 1 1 5 5 5 4
Cloud Cover 100% 100% 100% 100% 37% 35% 28% 28%
Dew Point 55° 56° 56° 56° 56° 56° 56° 57°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 78° 87° 104° (1987) 69°
Low 56° 50° 40° (2012) 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:57 AM with 12:12 of sunlight, then sets at 7:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:38 AM with 13:09 of moolight, then sets at 5:47 PM

Top Story

Santa Rosa Weather Report

Dry, Sunny Weather Continues for Much of the Week in San Francisco

September 21, 2014; 3:10 AM ET

Sunshine will continue for much of the region this week. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps