• Today

    Sep 18

    87°Lo 60°

    Clouds yielding to sun

    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 59°

    Partly sunny

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

    Sep 21

    90°Lo 59°

    Sunny and very warm

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

    Sep 22

    89°Lo 59°

    Sunny and very warm

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      0%
    more
Next Previous
Partly cloudy 64° Lo 60° RealFeel® 61° / 57°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 84%
  • Cloud Cover: 26%
  • Dew Point: 57° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 87° 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