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

35°F

2°C

Humidity 57%
Wind Speed W 14 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 27 Nov 11:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • Overnight

    Overnight: Mostly clear, with a low around 29. West wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 40. West wind 15 to 18 mph, with gusts as high as 39 mph.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. West wind 9 to 14 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 41. West wind 5 to 8 mph becoming calm in the afternoon.

    High: 41 °F

    Sunny

  • Saturday Night

    Saturday Night: A slight chance of snow after 1am. Cloudy, with a low around 31. Calm wind becoming southeast 5 to 9 mph after midnight. Chance of precipitation is 20%.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of rain and snow before 1pm, then rain likely. Cloudy, with a high near 43. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 29. West wind 11 to 14 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 40. West wind 15 to 18 mph, with gusts as high as 39 mph.
Friday Night
Mostly clear, with a low around 27. West wind 9 to 14 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 41. West wind 5 to 8 mph becoming calm in the afternoon.
Saturday Night
A slight chance of snow after 1am. Cloudy, with a low around 31. Calm wind becoming southeast 5 to 9 mph after midnight. Chance of precipitation is 20%.
Sunday
A chance of rain and snow before 1pm, then rain likely. Cloudy, with a high near 43. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Mostly cloudy, with a low around 30.
Monday
Partly sunny, with a high near 41.
Monday Night
A chance of snow after 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Cloudy, with a high near 38. Chance of precipitation is 50%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 39.
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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:
10:06 pm EST Nov 27, 2025
Forecast Valid:
12am EST Nov 28, 2025-6pm EST Dec 4, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation