• Early AM

    Jul 25

    Lo 54°

    Increasing clouds

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

    Jul 25

    89°Lo 54°

    Areas of low clouds, then sun

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

    Jul 26

    87°Lo 55°

    Partly sunny

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

    Jul 27

    85°Lo 54°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      26%
    more
  • Mon

    Jul 28

    86°Lo 54°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      51%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
2am
3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Cloudy
Mostly Cloudy
Temp (°F) 61° 59° 57° 56° 54° 57° 61° 66°
RealFeel® 60° 58° 57° 55° 54° 56° 61° 67°
Humidity 72% 75% 79% 84% 88% 86% 72% 62%
   
  2am 3am 4am 5am 6am 7am 8am 9am
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%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 2 SW 2 SSW 1 SW 1 NNE 1 NNE 2 WNW 2 S 2 S
UV Index 0 0 0 0 0 0 0 2
Cloud Cover 73% 75% 76% 76% 76% 89% 90% 76%
Dew Point 52° 51° 51° 51° 51° 52° 52° 53°
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 - Jul 25

more Historical Weather Data >
  Today Normal Record 7/25/2013
High 89° 82° N/A 76°
Low 54° 52° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 14:20 of sunlight, then sets at 8:27 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:11 AM with 14:17 of moolight, then sets at 7:28 PM

Top Story

Petaluma Weather Report

San Francisco: Sunny Skies, No Drought Relief in Sight

July 25, 2014; 1:25 AM ET

With partly sunny skies ahead, the San Francisco area will not be receiving needed drought relief for an extended stretch of time. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps