National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines
Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

17°F

-8°C

Humidity 62%
Wind Speed E 5 mph
Barometer 30.48 in (1032.8 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 21 Jan 9:56 am EST
Extended Forecast for

Harrisburg International Airport PA

  • Today

    Today: Mostly cloudy, with a high near 34. South wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 34 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 30. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 43. West wind 9 to 17 mph, with gusts as high as 30 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. West wind 3 to 6 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. West wind 6 to 15 mph, with gusts as high as 25 mph.

    High: 32 °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 17.

    High: 17 °F

    Partly Sunny

  • Saturday Night

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

    Low: 10 °F

    Snow Likely

  • Sunday

    Sunday: Snow. High near 18. Chance of precipitation is 80%.

    High: 18 °F

    Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 34. South wind 8 to 14 mph, with gusts as high as 25 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 30. South wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 43. West wind 9 to 17 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 22. West wind 3 to 6 mph.
Friday
Partly sunny, with a high near 32. West wind 6 to 15 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Partly sunny, with a high near 17.
Saturday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 10. Chance of precipitation is 60%.
Sunday
Snow. High near 18. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 23.
Monday Night
Mostly clear, with a low around 4.
Tuesday
Mostly sunny, with a high near 24.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
7:05 am EST Jan 21, 2026
Forecast Valid:
10am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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