• Today

    Dec 18

    39°Lo 29°

    More clouds than sun

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      30°
  • Fri

    Dec 19

    41°Lo 25°

    Clouds and breaks of sun

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      0%
    • Hi
      RealFeel
      34°
    more
  • Sat

    Dec 20

    39°Lo 26°

    Mostly cloudy

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      7%
    • Hi
      RealFeel
      43°
    more
  • Sun

    Dec 21

    42°Lo 27°

    Partly sunny

    Poor for lawn mowing
    • Hours of Precip
      0
    • Precip
      4%
    • Hi
      RealFeel
      46°
    more
  • Mon

    Dec 22

    41°Lo 34°

    Becoming cloudy

    Poor for lawn mowing
    • Hours of Precip
      4
    • Precip
      25%
    • Hi
      RealFeel
      40°
    more
Next Previous
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Forecast
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 32° 32° 31° 31° 31° 30° 30° 29°
RealFeel® 28° 27° 26° 26° 25° 25° 24° 23°
Humidity 63% 65% 67% 67% 68% 69% 70% 70%
   
  11pm 12am 1am 2am 3am 4am 5am 6am
Rain
 
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Snow
 
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Ice
 
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  11pm 12am 1am 2am 3am 4am 5am 6am
Wind (mph) 6 WNW 6 WNW 7 WNW 7 WNW 7 WNW 7 WNW 7 WNW 7 WNW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 93% 93% 90% 83% 76% 76% 76% 76%
Dew Point 21° 21° 21° 21° 22° 21° 21° 20°
Middle Grid line 35 F Middle Grid line 30 F Middle Grid line 25 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 39° 40° 66° (2006) 35°
Low 29° 26° (1989) 21°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:27 AM with 9:20 of sunlight, then sets at 4:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:39 AM with 10:47 of moolight, then sets at 2:26 PM

Chambersburg Weather Report

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

December 18, 2014; 1:00 PM ET

Following benign weather this weekend, a major storm will affect Harrisburg, Pennsylvania, 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

Thu. Overnight Freeze

Thu. Degree Days

Thu. Evapotranspiration