• Tonight

    Dec 18

    Lo 49°

    Mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Dec 19

    58°Lo 47°

    Periods of rain

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

    Dec 20

    60°Lo 48°

    Areas of morning fog

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

    Dec 21

    63°Lo 49°

    Dense fog in the morning

    Low ragweed pollen levels
    • Precip
      7%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      77%
    more
  • Mon

    Dec 22

    62°Lo 45°

    Dense fog will lift

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      24%
    more
Next Previous
Mostly cloudy 53° Lo 52° RealFeel® 52° / 48°

N

E

S

W

  • Precipitation: 16%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 87%
  • Cloud Cover: 77%
  • Dew Point: 48° F
  • Visibility: 10 mi
5 mph

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 59° N/A N/A 68°
Low 49° N/A N/A 42°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:16 AM with 9:34 of sunlight, then sets at 4:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:38 AM with 10:52 of moolight, then sets at 2:30 PM

Tracy Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 18, 2014; 3:34 PM ET

Conditions will turn dry for San Francisco this weekend and last into next week. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps