• Early AM

    Sep 2

    Lo 62°

    Clear

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

    Sep 2

    76°Lo 60°

    Plenty of sun

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

    Sep 3

    76°Lo 60°

    Clouds, then sun

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

    Sep 4

    77°Lo 60°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      58%
    more
  • Fri

    Sep 5

    77°Lo 59°

    Mostly sunny and beautiful

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      22%
    more
Next Previous
Mainly clear 64° Lo 61° RealFeel® 59° / 57°

N

E

S

W

  • Precipitation: 1%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 85%
  • Cloud Cover: 25%
  • Dew Point: 57° F
  • Visibility: 10 mi
7 mph

Temperature History - Sep 2

more Historical Weather Data >
  Today Normal Record 9/2/2013
High 76° N/A N/A 76°
Low 60° N/A N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:57 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:20 PM with 10:22 of moolight, then sets at 12:42 AM

Top Story

Castro Valley Weather Report

San Francisco: Bright, Sunny for First Week of September

September 2, 2014; 3:25 AM ET

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

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps