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

23°F

-5°C

Humidity 60%
Wind Speed NW 8 mph
Barometer 29.98 in (1015.7 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 3 Jan 6:56 am EST
Extended Forecast for

Harrisburg International Airport PA

  • Today

    Today: Mostly cloudy, with a high near 30. Northwest wind 3 to 7 mph.

    High: 30 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of snow showers between 8pm and 11pm. Cloudy, with a low around 23. Light northwest wind. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Snow Showers
    then Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 35 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. Northwest wind 5 to 8 mph becoming calm after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 35 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 34.

    Low: 34 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 30. Northwest wind 3 to 7 mph.
Tonight
A slight chance of snow showers between 8pm and 11pm. Cloudy, with a low around 23. Light northwest wind. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 35. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 21. Northwest wind 5 to 8 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 35. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 44.
Tuesday Night
Cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly cloudy, with a high near 48.
Thursday Night
A chance of showers. Cloudy, with a low around 37. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
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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:
7:05 am EST Jan 3, 2026
Forecast Valid:
7am EST Jan 3, 2026-6pm EST Jan 9, 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