• 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
    more
  • 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
Next Previous
Hi 91° RealFeel® 95° Precipitation 6%

Day

N

E

S

W

  • S 6 mph
  • Gusts: 9 mph

Mostly sunny and hot

  • Max UV Index: 6 (High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 67° RealFeel® 67° Precipitation 13%

Night

N

E

S

W

  • SSE 5 mph
  • Gusts: 8 mph

Clear, warm and humid

  • Max UV Index: N/A
  • Thunderstorms: 4%
  • 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 8

more Historical Weather Data >
  Today Normal Record 9/8/2014
High 91° 79° 99° (1939) 77°
Low 67° 59° 45° (1988) 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 12:47 of sunlight, then sets at 7:29 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:21 AM with 14:25 of moolight, then sets at 4:46 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 >

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.

Tue. Snow Day Potential