• Tonight

    Sep 4

    Lo 67°

    Mostly cloudy

    Skiing Weather
    • Rain
      0 in
    • Precip
      35%
    • Hours of Precip
      0
  • Sat

    Sep 5

    82°Lo 61°

    Clouds, then sun; less humid

    Poor for skiing
    • Rain
      0 in
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Sun

    Sep 6

    84°Lo 60°

    Fog in the a.m.; mostly sunny

    Poor for skiing
    • Rain
      0 in
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Mon

    Sep 7

    88°Lo 63°

    Fog in the a.m.; mostly sunny

    Poor for skiing
    • Rain
      0 in
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Tue

    Sep 8

    91°Lo 67°

    Mostly sunny and hot

    Poor for skiing
    • Rain
      0 in
    • Precip
      6%
    • Hours of Precip
      0
    more
Next Previous
Next 8 hours >
  Fri
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Cloudy
Mostly Cloudy
Cloudy
Mostly Cloudy
Cloudy
Partly Cloudy
Partly Cloudy
Partly Sunny
Temp (°F) 74° 73° 72° 71° 71° 70° 70° 72°
RealFeel® 78° 77° 76° 74° 73° 73° 73° 76°
Humidity 84% 87% 89% 89% 90% 92% 92% 89%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
7%
 
5%
 
0%
 
0%
 
0%
 
1%
 
1%
 
2%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 1 N 1 NW 2 NNW 2 NNW 2 W 2 W 2 W 2 W
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 73% 82% 59% 77% 65% 38% 34% 41%
Dew Point 69° 69° 69° 68° 68° 68° 68° 69°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 88° 80° 93° (2008) 87°
Low 67° 60° 46° (1946) 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:38 AM with 12:58 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:46 PM with 14:33 of moolight, then sets at 2:19 PM

Duncannon Weather Report

Harrisburg: Heat to Rebuild Labor Day Weekend After Cooldown

September 4, 2015; 5:01 PM ET

A backdoor front will trim temperatures, haze and humidity around Harrisburg, Pennsylvania, early this weekend before all three conditions build by early next week. more >

Tourism of Doom: Traveling to Endangered Places

Aug 30, 2012; 5:00 AM ET If you're longing to ski the Alps or swim in the Great Barrier Reef, you may be running out of time. A changing climate may beat you to the punch line. Valerie Smock has more.

Radar & Satellite

48 Hour Precipitation Forecast

Fri. Ski Weather