• Tonight

    Sep 2

    Lo 56°

    Mainly clear

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

    Sep 3

    77°Lo 53°

    Low clouds followed by sun

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

    Sep 4

    78°Lo 53°

    Partly sunny and cool

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

    Sep 5

    79°Lo 53°

    Mostly sunny and cool

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      19%
    more
  • Sat

    Sep 6

    80°Lo 52°

    Clouds, then sun

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      56%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
8pm
9pm 10pm 11pm Wed
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 62° 62° 61° 61° 60° 59° 58° 58°
RealFeel® 58° 59° 59° 58° 57° 57° 56° 55°
Humidity 81% 74% 80% 85% 86% 88% 90% 91%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
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%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 7 W 6 W 5 WSW 5 WSW 5 WSW 5 WSW 5 WSW 5 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 15% 15% 16% 16% 19% 23% 25%
Dew Point 56° 54° 55° 56° 56° 56° 56° 55°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2013
High 74° 86° N/A 74°
Low 56° 52° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:59 of sunlight, then sets at 7:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:23 PM with 10:18 of moolight, then sets at 12:41 AM

Top Story

Napa Weather Report

San Francisco: Bright, Sunny for First Week of September

September 2, 2014; 12:25 PM ET

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

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps