National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

70°F

21°C

Humidity 68%
Wind Speed NW 18 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 12 Oct 1:56 pm EDT
Extended Forecast for

Campbelltown PA

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 74. Northwest wind around 13 mph.

    High: 74 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. West wind 5 to 7 mph becoming calm after midnight.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Light south wind becoming southwest 8 to 13 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. West wind 6 to 11 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Columbus Day
Mostly sunny, with a high near 74. Northwest wind around 13 mph.
Tonight
Partly cloudy, with a low around 55. West wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 79. Light south wind becoming southwest 8 to 13 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 81. West wind 6 to 11 mph.
Wednesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 20%.
Thursday
A chance of showers after 2pm. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 73. Breezy. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 44. Breezy.
Saturday
Mostly sunny, with a high near 54. Breezy.
Saturday Night
Areas of frost. Otherwise, mostly clear, with a low around 36.
Sunday
Areas of frost. Otherwise, sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Campbelltown PA
 40.27°N 76.58°W (Elev. 512 ft)
Last Update:
2:05 pm EDT Oct 12, 2026
Forecast Valid:
2pm EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation