• Today

    Sep 18

    86°Lo 60°

    Partly sunny

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

    Sep 19

    87°Lo 61°

    Mostly sunny

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

    Sep 20

    90°Lo 60°

    Partly sunny

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

    Sep 21

    90°Lo 58°

    Sunny and very warm

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
  • Mon

    Sep 22

    90°Lo 59°

    Sunny and very warm

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
8pm
9pm 10pm 11pm Fri
12am
1am 2am 3am
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 75° 71° 70° 67° 65° 65° 64° 63°
RealFeel® 70° 66° 65° 63° 61° 62° 61° 60°
Humidity 56% 63% 70% 75% 79% 81% 82% 82%
   
  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) 8 NW 8 NW 7 NW 7 NW 7 NW 6 NW 6 NW 6 NW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 58° 58° 59° 59° 59° 59° 59° 58°
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

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 86° 89° 102° (1984) 86°
Low 60° 59° 44° (1965) 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:49 AM with 12:19 of sunlight, then sets at 7:08 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:51 AM with 14:07 of moolight, then sets at 3:58 PM

Top Story

Patterson Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 18, 2014; 6:37 AM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps