• Today

    Dec 21

    36°Lo 24°

    Clouds giving way to some sun

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      39°
  • Mon

    Dec 22

    42°Lo 32°

    Considerable cloudiness

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      9%
    • Hi
      RealFeel
      40°
    more
  • Tue

    Dec 23

    51°Lo 44°

    Damp in the afternoon

    Poor for lawn mowing
    • Hours of Precip
      5
    • Precip
      42%
    • Hi
      RealFeel
      48°
    more
  • Wed

    Dec 24

    57°Lo 35°

    Breezy with periods of rain

    Poor for lawn mowing
    • Hours of Precip
      8.5
    • Precip
      69%
    • Hi
      RealFeel
      49°
    more
  • Thu

    Dec 25

    41°Lo 31°

    Snow showers; windy, colder

    Poor for lawn mowing
    • Hours of Precip
      2
    • Precip
      60%
    • Hi
      RealFeel
      29°
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
2pm
3pm 4pm 5pm 6pm 7pm 8pm 9pm
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Forecast
Partly Cloudy
Partly Sunny
Partly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 36° 35° 33° 31° 30° 27° 27° 26°
RealFeel® 39° 36° 34° 31° 30° 27° 27° 26°
Humidity 43% 45% 46% 50% 52% 55% 58% 60%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
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0%
   
  2pm 3pm 4pm 5pm 6pm 7pm 8pm 9pm
Wind (mph) 2 NNE 2 NE 2 ENE 2 ENE 2 E 4 NE 4 NE 4 NE
UV Index 1 1 0 0 0 0 0 0
Cloud Cover 52% 43% 37% 29% 27% 10% 11% 11%
Dew Point 15° 15° 15° 14° 14° 13° 14° 14°
Middle Grid line 40 F Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 21

more Historical Weather Data >
  Today Normal Record 12/21/2013
High 36° 37° 61° (2013) 61°
Low 24° 20° (1989) 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:40 AM with 9:18 of sunlight, then sets at 4:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:54 AM with 10:10 of moolight, then sets at 5:04 PM

Washington Weather Report

Pittsburgh: Quiet Weekend Weather to be Followed by Christmas Eve Storm

December 21, 2014; 4:26 AM ET

Following benign weather this weekend, a major storm will affect Pittsburgh, much of the East and Midwest on Christmas Eve. 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

Sun. Overnight Freeze

Sun. Degree Days

Sun. Evapotranspiration