• Tonight

    Oct 21

    Lo 51°

    Mainly clear

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      71°
  • Wed

    Oct 22

    76°Lo 53°

    Nice with partial sunshine

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      6%
    • Hi
      RealFeel
      76°
    more
  • Thu

    Oct 23

    78°Lo 55°

    Partly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      14%
    • Hi
      RealFeel
      77°
    more
  • Fri

    Oct 24

    80°Lo 57°

    Sunshine and patchy clouds

    Excellent for lawn mowing
    • Hours of Precip
      2.5
    • Precip
      25%
    • Hi
      RealFeel
      78°
    more
  • Sat

    Oct 25

    71°Lo 52°

    Periods of sun with a shower

    Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      40%
    • Hi
      RealFeel
      68°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Tue
10pm
11pm Wed
12am
1am 2am 3am 4am 5am
  10pm 11pm 12am 1am 2am 3am 4am 5am
Forecast
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 60° 59° 57° 57° 56° 55° 54° 52°
RealFeel® 56° 55° 55° 55° 54° 53° 52° 51°
Humidity 66% 70% 74% 76% 78% 79% 82% 85%
   
  10pm 11pm 12am 1am 2am 3am 4am 5am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  10pm 11pm 12am 1am 2am 3am 4am 5am
Wind (mph) 7 WNW 6 WNW 6 WNW 5 WNW 5 WNW 5 W 5 W 5 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 7% 11% 13% 18% 21% 25% 26% 26%
Dew Point 48° 49° 49° 49° 49° 49° 48° 48°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Oct 21

more Historical Weather Data >
  Today Normal Record 10/21/2013
High 72° N/A N/A 81°
Low 51° 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; 8:50 PM ET

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

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Tue. Overnight Freeze

Tue. Degree Days

Tue. Evapotranspiration