• Today

    Dec 21

    39°Lo 25°

    Clouds breaking for some sun

    Very Unlikely for a snow day
    • Snow
      1%
    • Ice
      0%
    • Snow
      0 in
  • Mon

    Dec 22

    39°Lo 33°

    A touch of afternoon rain

    Very Unlikely for a snow day
    • Snow
      8%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Dec 23

    45°Lo 42°

    Mostly cloudy and damp; fog

    Very Unlikely for a snow day
    • Snow
      10%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Dec 24

    57°Lo 46°

    Rain; breezy, not as cool

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Thu

    Dec 25

    49°Lo 33°

    Clouds and sun; windy, colder

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 38° 37° 35° 34° 31° 29° 27° 26°
RealFeel® 39° 38° 36° 35° 33° 31° 29° 27°
Humidity 45% 48% 54% 60% 66% 72% 77% 80%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
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%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 4 NNW 2 NNW 2 NNW 1 NNW 1 NNW 1 NNW 2 N 2 N
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 26% 26% 26% 26% 26% 26% 26% 26%
Dew Point 19° 19° 20° 21° 21° 21° 21° 21°
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 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 10:09 of moolight, then sets at 4:49 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 >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Sun. Snow Day Potential