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

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Overcast

65°F

18°C

Humidity 93%
Wind Speed S 3 mph
Barometer 29.81 in (1009.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 4:56 am EDT
Extended Forecast for

Harrisburg International Airport PA

  • Today

    Today: Mostly sunny, with a high near 80. West wind 7 to 11 mph, with gusts as high as 20 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. West wind 5 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 77. West wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60. West wind 7 to 9 mph.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. West wind 7 to 10 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 80. West wind 7 to 11 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 60. West wind 5 to 8 mph.
Monday
Sunny, with a high near 77. West wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 60. West wind 7 to 9 mph.
Tuesday
Sunny, with a high near 80. West wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.2°N 76.77°W (Elev. 299 ft)
Last Update:
4:01 am EDT Aug 23, 2026
Forecast Valid:
5am EDT Aug 23, 2026-6pm EDT Aug 29, 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