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.

Fair

62°F

17°C

Humidity 84%
Wind Speed Calm
Barometer 30.04 in (1017.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 25 Jun 3:56 am EDT
Extended Forecast for

Campbelltown PA

  • Today

    Today: Mostly sunny, with a high near 87. Light and variable wind becoming south 6 to 11 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind 6 to 11 mph becoming light southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: Mostly cloudy, with a high near 86. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 86 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Showers, mainly after 2am. Low around 64. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 2pm. High near 80. East wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. Light and variable wind becoming south 6 to 11 mph in the afternoon.
Tonight
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind 6 to 11 mph becoming light southeast after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy, with a high near 86. Calm wind becoming west 5 to 8 mph in the afternoon.
Friday Night
Showers, mainly after 2am. Low around 64. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers, with thunderstorms also possible after 2pm. High near 80. East wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny and hot, with a high near 95.
Tuesday Night
Partly cloudy, with a low around 71.
Wednesday
Mostly sunny and hot, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
Campbelltown PA
 40.27°N 76.58°W (Elev. 512 ft)
Last Update:
2:20 am EDT Jun 25, 2026
Forecast Valid:
4am EDT Jun 25, 2026-6pm EDT Jul 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation