• Early AM

    Oct 21

    Lo 51°

    Partly cloudy

    Bicycling Weather
    • Precip
      2%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
  • Today

    Oct 21

    73°Lo 50°

    Mostly sunny

    Excellent for biking
    • Precip
      3%
    • Hours of Precip
      0
    • Wind
      Gust
      14 mph
  • Wed

    Oct 22

    76°Lo 53°

    Nice with partial sunshine

    Excellent for biking
    • Precip
      6%
    • Hours of Precip
      0
    • Wind
      Gust
      10 mph
    more
  • Thu

    Oct 23

    77°Lo 55°

    Sunny to partly cloudy

    Excellent for biking
    • Precip
      14%
    • Hours of Precip
      0
    • Wind
      Gust
      9 mph
    more
  • Fri

    Oct 24

    79°Lo 55°

    Sunshine and patchy clouds

    Excellent for biking
    • Precip
      25%
    • Hours of Precip
      0
    • Wind
      Gust
      15 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
5pm
6pm 7pm 8pm 9pm 10pm 11pm Wed
12am
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Forecast
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 72° 69° 65° 62° 60° 59° 58° 57°
RealFeel® 68° 64° 61° 59° 57° 56° 55° 54°
Humidity 36% 42% 50% 55% 61% 66% 71% 74%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
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%
 
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0%
   
  5pm 6pm 7pm 8pm 9pm 10pm 11pm 12am
Wind (mph) 10 NW 9 NW 8 WNW 7 WNW 6 WNW 6 W 6 W 6 W
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 11% 11% 11% 26% 26% 26% 26% 26%
Dew Point 44° 45° 46° 46° 47° 48° 49° 49°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Oct 21

more Historical Weather Data >
  Today Normal Record 10/21/2013
High 73° N/A N/A 81°
Low 50° N/A N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:20 AM with 11:01 of sunlight, then sets at 6:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:12 AM with 12:03 of moolight, then sets at 5:15 PM

Tracy Weather Report

San Francisco: Dry Weather to Remain into Late Week

October 21, 2014; 3:40 AM ET

After the Bay Area received a light rainfall to start the week, it will turn dry again on Tuesday and remain unseasonably war. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.