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

68°F

20°C

Humidity 73%
Wind Speed SE 3 mph
Barometer 29.80 in (1009.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 Jun 9:56 am EDT
Extended Forecast for

Campbelltown PA

  • Today

    Today: Partly sunny, with a high near 83. Southwest wind 5 to 10 mph.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. Southeast wind 7 to 10 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. West wind 8 to 15 mph, with gusts as high as 29 mph.

    Low: 63 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. West wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 83. Southwest wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 66. Southeast wind 7 to 10 mph, with gusts as high as 25 mph.
Thursday
A chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Partly cloudy, with a low around 63. West wind 8 to 15 mph, with gusts as high as 29 mph.
Juneteenth
Mostly sunny, with a high near 83. West wind 10 to 16 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 83.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 82.
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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:
10:11 am EDT Jun 17, 2026
Forecast Valid:
10am EDT Jun 17, 2026-6pm EDT Jun 23, 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