• Tonight

    Sep 1

    Lo 54°

    Increasing cloudiness

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Sep 2

    82°Lo 53°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Thu

    Sep 3

    82°Lo 50°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Sep 4

    81°Lo 51°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 5

    84°Lo 51°

    Low clouds breaking

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 58° 57° 56° 55° 54° 57° 60° 64°
RealFeel® 59° 58° 58° 57° 56° 59° 63° 68°
Humidity 85% 88% 90% 93% 95% 90% 81% 70%
   
  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%
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 1 SSW 1 SSW 1 SW 1 WSW 1 WSW 1 WSW 2 W 2 WNW
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 68% 68% 65% 72% 80% 90% 90% 90%
Dew Point 53° 53° 53° 53° 53° 54° 54° 54°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2014
High 82° N/A N/A 70°
Low 53° N/A N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:59 of sunlight, then sets at 7:39 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:27 PM with 13:54 of moolight, then sets at 12:21 PM

Santa Rosa Weather Report

San Francisco: Sunny Skies, Pleasant Conditions to Last Into Labor Day Weekend

September 1, 2015; 10:57 PM ET

Sunny skies and seasonable conditions will follow low clouds each day through Saturday in the Bay Area. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps