• Tonight

    Sep 17

    Lo 60°

    Mainly clear

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

    Sep 18

    76°Lo 58°

    Not as warm with some sun

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

    Sep 19

    84°Lo 63°

    Mostly sunny and seasonable

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

    Sep 20

    85°Lo 61°

    Sunny

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      2%
    more
  • Sun

    Sep 21

    85°Lo 61°

    Warm with plenty of sunshine

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      0%
Next Previous
Hi 85° RealFeel® 90° Precipitation 1%

Day

N

E

S

W

  • SSE 3 mph
  • Gusts: 6 mph

Warm with plenty of sunshine

  • Max UV Index: 6 (High)
  • Thunderstorms: 3%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 61° RealFeel® 60° Precipitation 0%

Night

N

E

S

W

  • S 2 mph
  • Gusts: 4 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 21

more Historical Weather Data >
  Today Normal Record 9/21/2013
High 85° 84° 100° (1949) 64°
Low 61° 58° 46° (1968) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 12:13 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:30 AM with 13:11 of moolight, then sets at 5:41 PM

Top Story

Colfax Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 18, 2014; 12:52 AM ET

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

Sun. Dust & Dander

Sun. Wind Maps