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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fair

13°F

-11°C

Humidity 61%
Wind Speed N 5 mph
Barometer 30.49 in (1033.1 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 20 Jan 9:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: Mostly clear, with a low around 9. Calm wind.

    Low: 9 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 34. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 34 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29. South wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. West wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. West wind around 6 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Cloudy, with a low around 10. Chance of precipitation is 60%.

    Low: 10 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 9. Calm wind.
Wednesday
Increasing clouds, with a high near 34. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 29. South wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 43. West wind 7 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Mostly cloudy, with a low around 23. West wind around 6 mph.
Friday
Partly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 16.
Saturday Night
Snow likely, mainly after 1am. Cloudy, with a low around 10. Chance of precipitation is 60%.
Sunday
Snow likely. Cloudy, with a high near 19. Chance of precipitation is 70%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 6. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Mostly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
7:41 pm EST Jan 20, 2026
Forecast Valid:
10pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation