• Today

    Sep 2

    86°Lo 62°

    A thunderstorm this afternoon

    Poor for lawn mowing
    • Hours of Precip
      3
    • Precip
      70%
    • Hi
      RealFeel
      91°
    more
  • Wed

    Sep 3

    82°Lo 59°

    Mostly sunny and less humid

    Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      86°
  • Thu

    Sep 4

    86°Lo 63°

    Fog in the a.m.; partly sunny

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      25%
    • Hi
      RealFeel
      91°
    more
  • Fri

    Sep 5

    87°Lo 67°

    Partly sunny and very warm

    Very Good for lawn mowing
    • Hours of Precip
      1
    • Precip
      25%
    • Hi
      RealFeel
      92°
    more
  • Sat

    Sep 6

    83°Lo 57°

    A couple of thunderstorms

    Fair for lawn mowing
    • Hours of Precip
      2
    • Precip
      60%
    • Hi
      RealFeel
      88°
    more
Next Previous
Hi 82° RealFeel® 86° Precipitation 3%

Day

N

E

S

W

  • NW 3 mph
  • Gusts: 4 mph

Mostly sunny and less humid

  • Max UV Index: 6 (High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 59° RealFeel® 59° Precipitation 12%

Night

N

E

S

W

  • N 1 mph
  • Gusts: 2 mph

Mainly clear; areas of fog late

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • 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 3

more Historical Weather Data >
  Today Normal Record 9/3/2013
High 82° 80° 102° (1953) 82°
Low 59° 60° 43° (1967) 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:00 of sunlight, then sets at 7:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:17 PM with 10:10 of moolight, then sets at 1:27 AM

Top Story

Duncannon Weather Report

Harrisburg: Warm Week for Back to School, Work

September 2, 2014; 1:56 PM ET

While temperatures and humidity levels will fluctuate from day to day this week, unseasonable warmth will continue into next weekend around Harrisburg, Pennsylvania. 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?

Wed. Overnight Freeze

Wed. Degree Days

Wed. Evapotranspiration