• Today

    Sep 20

    90°Lo 55°

    Decreasing clouds

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

    Sep 21

    89°Lo 53°

    Very warm with plenty of sun

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

    Sep 22

    89°Lo 48°

    Mostly sunny

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

    Sep 23

    87°Lo 53°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      46%
    more
  • Wed

    Sep 24

    81°Lo 55°

    Mostly cloudy, afternoon rain

    Ragweed Pollen Weather
    • Precip
      80%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      85%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 56° 55° 56° 59° 64° 70° 75° 80°
RealFeel® 56° 55° 57° 62° 69° 74° 81° 86°
Humidity 84% 87% 84% 77% 65% 58% 50% 40%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
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%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 1 NNW 1 N 1 N 1 NW 1 WNW 1 W 3 SSW 4 SSW
UV Index 0 0 0 1 3 4 5 5
Cloud Cover 25% 25% 10% 10% 10% 10% 10% 10%
Dew Point 51° 51° 52° 52° 52° 54° 55° 54°
Middle Grid line 85 F 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 Middle Grid line 50 F

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 89° 85° 106° (1943) 70°
Low 53° 51° 35° (1924) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:59 AM with 12:13 of sunlight, then sets at 7:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:39 AM with 13:11 of moolight, then sets at 5:50 PM

Top Story

Ukiah Weather Report

Dry, Sunny Weather Continues for San Francisco

September 20, 2014; 1:37 PM ET

Sunny skies will bathe the Bay Area for the new week. more >

Sun. Pollen

Sun. Dust & Dander

Sun. Wind Maps