• Today

    Dec 21

    39°Lo 25°

    Clouds breaking for some sun

    Fair for home energy
    • Avg
      RealFeel
      33°
    • Hi
      RealFeel
      41°
    • Wind
      Speed
      4 mph
  • Mon

    Dec 22

    39°Lo 33°

    A touch of afternoon rain

    Good for home energy
    • Avg
      RealFeel
      35°
    • Hi
      RealFeel
      37°
    • Wind
      Speed
      5 mph
    more
  • Tue

    Dec 23

    45°Lo 42°

    Mostly cloudy and damp; fog

    Fair for home energy
    • Avg
      RealFeel
      42°
    • Hi
      RealFeel
      44°
    • Wind
      Speed
      5 mph
    more
  • Wed

    Dec 24

    57°Lo 46°

    Rain; breezy, not as cool

    Fair for home energy
    • Avg
      RealFeel
      42°
    • Hi
      RealFeel
      45°
    • Wind
      Speed
      17 mph
    more
  • Thu

    Dec 25

    49°Lo 33°

    Clouds and sun; windy, colder

    Fair for home energy
    • Avg
      RealFeel
      32°
    • Hi
      RealFeel
      39°
    • Wind
      Speed
      16 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
9pm
10pm 11pm Mon
12am
1am 2am 3am 4am
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 27° 26° 26° 27° 28° 27° 27° 26°
RealFeel® 29° 27° 27° 28° 29° 28° 27° 26°
Humidity 77% 80% 80% 78% 78% 78% 79% 81%
   
  9pm 10pm 11pm 12am 1am 2am 3am 4am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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0%
Ice
 
0%
 
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  9pm 10pm 11pm 12am 1am 2am 3am 4am
Wind (mph) 2 N 2 N 2 N 2 NNE 1 NNE 2 NE 2 E 4 E
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 21° 21° 21° 21° 21° 21° 21° 21°
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 39° 40° 64° (1923) 53°
Low 25° 25° (1942) 35°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:27 AM with 9:18 of sunlight, then sets at 4:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:40 AM with 10:10 of moolight, then sets at 4:50 PM

Harrisburg Weather Report

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

December 21, 2014; 4:27 AM ET

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

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index