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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fair

29°F

-2°C

Humidity 58%
Wind Speed S 9 mph
Barometer 29.82 in (1010.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 24 Feb 10:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: Snow likely, mainly after 4am. Cloudy, with a low around 25. South wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 25 °F

    Snow Likely

  • Wednesday

    Wednesday: A chance of snow, mainly before 7am. Mostly cloudy, with a high near 47. West wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance Snow
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind 5 to 8 mph becoming calm after midnight.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow before 10am, then a chance of snow. Partly sunny, with a high near 40. Calm wind becoming northwest around 6 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow, mainly before 1am. Mostly cloudy, with a low around 26. Light and variable wind. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely, mainly after 4am. Cloudy, with a low around 25. South wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
A chance of snow, mainly before 7am. Mostly cloudy, with a high near 47. West wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind 5 to 8 mph becoming calm after midnight.
Thursday
A slight chance of rain and snow before 10am, then a chance of snow. Partly sunny, with a high near 40. Calm wind becoming northwest around 6 mph in the morning. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of snow, mainly before 1am. Mostly cloudy, with a low around 26. Light and variable wind. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 44.
Friday Night
Partly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 42.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Monday
A chance of snow. Partly sunny, with a high near 32. Chance of precipitation is 40%.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
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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:
11:07 pm EST Feb 24, 2026
Forecast Valid:
11pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation