• Tonight

    Aug 31

    Lo 60°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    Sep 1

    71°Lo 61°

    Low clouds breaking

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

    Sep 2

    70°Lo 58°

    Low clouds, then some sun

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

    Sep 3

    72°Lo 57°

    Partly sunny and pleasant

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

    Sep 4

    75°Lo 59°

    Areas of low clouds, then sun

    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 >
  Mon
4pm
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  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Forecast
Sunny
Mostly Sunny
Mostly Sunny
Sunny
Partly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Temp (°F) 70° 70° 68° 65° 64° 63° 64° 63°
RealFeel® 71° 68° 65° 61° 59° 59° 61° 61°
Humidity 59% 61% 64% 72% 77% 78% 78% 80%
   
  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Rain
 
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Snow
 
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Ice
 
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  4pm 5pm 6pm 7pm 8pm 9pm 10pm 11pm
Wind (mph) 14 WNW 15 WNW 15 WNW 15 W 14 W 12 W 10 W 9 W
UV Index 4 2 1 0 0 0 0 0
Cloud Cover 6% 21% 26% 5% 32% 43% 29% 25%
Dew Point 56° 56° 56° 56° 56° 56° 57° 57°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 74° 70° 87° (1943) 71°
Low 60° 55° 48° (1910) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 13:02 of sunlight, then sets at 7:41 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:05 PM with 12:59 of moolight, then sets at 10:04 AM

San Francisco Weather Report

San Francisco: Dry, Pleasant Conditions to Span Week

August 31, 2015; 3:48 PM ET

The San Francisco area will have dry and seasonable conditions throughout the week. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps