• Tonight

    Sep 4

    Lo 67°

    Mostly cloudy

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Sep 5

    82°Lo 61°

    Clouds, then sun; less humid

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

    Sep 6

    84°Lo 60°

    Fog in the a.m.; mostly sunny

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

    Sep 7

    88°Lo 63°

    Fog in the a.m.; mostly sunny

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

    Sep 8

    91°Lo 67°

    Mostly sunny and hot

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 82° RealFeel® 88° Precipitation 7%

Day

N

E

S

W

  • ESE 5 mph
  • Gusts: 7 mph

Less humid with clouds giving way to sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 61° RealFeel® 61° Precipitation 14%

Night

N

E

S

W

  • ESE 4 mph
  • Gusts: 6 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 82° 80° 93° (1954) 87°
Low 61° 60° 47° (1974) 70°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:55 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:45 AM with 11:33 of moolight, then sets at 2:19 PM

Duncannon Weather Report

Harrisburg: Heat to Rebuild Labor Day Weekend After Cooldown

September 4, 2015; 7:01 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 >

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

Sat. Snow Day Potential