• Today

    Dec 19

    58°Lo 48°

    Periods of rain

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

    Dec 20

    60°Lo 49°

    Areas of morning fog

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

    Dec 21

    64°Lo 50°

    Dense fog in the morning

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

    Dec 22

    63°Lo 47°

    Dense fog will lift

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      28%
    more
  • Tue

    Dec 23

    62°Lo 46°

    Dense fog will lift

    Ragweed Pollen Weather
    • Precip
      4%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      37%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
7pm
8pm 9pm 10pm 11pm Sat
12am
1am 2am
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Forecast
Cloudy
Cloudy
Showers
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 54° 53° 53° 52° 52° 52° 51° 51°
RealFeel® 52° 52° 52° 51° 51° 51° 51° 51°
Humidity 88% 88% 88% 88% 88% 88% 89% 89%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Rain
 
49%
 
47%
 
51%
 
40%
 
34%
 
29%
 
20%
 
20%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  7pm 8pm 9pm 10pm 11pm 12am 1am 2am
Wind (mph) 5 SE 4 SE 4 SE 2 SE 2 SE 2 SE 2 SE 2 ESE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 94% 93% 93% 94% 94% 94% 94% 94%
Dew Point 50° 50° 49° 49° 48° 48° 48° 48°
Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 58° N/A N/A 59°
Low 48° N/A N/A 45°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:17 AM with 9:33 of sunlight, then sets at 4:50 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:39 AM with 10:36 of moolight, then sets at 3:15 PM

Tracy Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 19, 2014; 10:09 AM ET

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

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps