• Today

    Oct 21

    74°Lo 50°

    Mostly sunny

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

    Oct 22

    76°Lo 52°

    Nice with partial sunshine

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

    Oct 23

    78°Lo 55°

    Sunny to partly cloudy

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

    Oct 24

    79°Lo 55°

    Sunshine and patchy clouds

    Low ragweed pollen levels
    • Precip
      25%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      25%
    more
  • Sat

    Oct 25

    70°Lo 51°

    Periods of sun with a shower

    Ragweed Pollen Weather
    • Precip
      40%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      46%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 57° 56° 56° 55° 53° 52° 50° 52°
RealFeel® 54° 54° 53° 52° 51° 50° 49° 50°
Humidity 74% 76% 78% 79% 82% 85% 90% 88%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 6 W 6 W 6 W 5 W 5 W 5 W 5 W 4 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 49° 49° 49° 48° 48° 48° 48° 48°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - Oct 22

more Historical Weather Data >
  Today Normal Record 10/22/2013
High 76° N/A N/A 82°
Low 52° N/A N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:21 AM with 10:59 of sunlight, then sets at 6:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:09 AM with 11:39 of moolight, then sets at 5:48 PM

Tracy Weather Report

San Francisco: Dry Weather to Remain into Late Week

October 21, 2014; 1:57 PM ET

Dry, seasonable conditions will last through Friday afternoon in San Francisco. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps