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.

A Few Clouds

76°F

24°C

Humidity 60%
Wind Speed S 10 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Oct 7:56 pm EDT
Extended Forecast for

Campbelltown PA

  • Tonight

    Tonight: 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: A slight chance of showers. Partly sunny, with a high near 82. West wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. North wind 7 to 9 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers after 2pm. Mostly sunny, with a high near 68. Northeast wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 20%.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers, mainly after 8pm. Low around 58. Southeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 76. Breezy. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely before 8pm. Partly cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.

    Low: 42 °F

    Breezy.
    Showers
    Likely then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear
    then Areas
    Frost

Detailed Forecast

Tonight
Mostly clear, with a low around 64. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday
A slight chance of showers. Partly sunny, with a high near 82. West wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 55. North wind 7 to 9 mph.
Thursday
A slight chance of showers after 2pm. Mostly sunny, with a high near 68. Northeast wind 5 to 7 mph becoming east in the afternoon. Chance of precipitation is 20%.
Thursday Night
Showers, mainly after 8pm. Low around 58. Southeast wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, with thunderstorms also possible after 2pm. High near 76. Breezy. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely before 8pm. Partly cloudy, with a low around 42. Breezy. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 52. Breezy.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 35.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 39.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 67.
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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:
8:05 pm EDT Oct 13, 2026
Forecast Valid:
8pm EDT Oct 13, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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