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.

Overcast

34°F

1°C

Humidity 44%
Wind Speed W 18 G 28 mph
Barometer 30.02 in (1016.9 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 17 Mar 5:56 pm EDT
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: Scattered snow showers, mainly before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 22. Northwest wind 5 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 22 °F

    Scattered
    Snow Showers
    then Mostly
    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Southeast wind around 5 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49. South wind 5 to 8 mph.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 33. Light southeast wind. Chance of precipitation is 30%.

    Low: 33 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered snow showers, mainly before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 22. Northwest wind 5 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 39. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 26. Southeast wind around 5 mph.
Thursday
Partly sunny, with a high near 49. South wind 5 to 8 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 33. Light southeast wind. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 52.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Monday
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Mostly sunny, with a high near 46.
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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:
2:21 pm EDT Mar 17, 2026
Forecast Valid:
6pm EDT Mar 17, 2026-6pm EDT Mar 24, 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