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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Overcast

33°F

1°C

Humidity 64%
Wind Speed SE 8 mph
Barometer 30.14 in (1021.2 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 21 Jan 7:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. West wind 7 to 15 mph, with gusts as high as 26 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. West wind 5 to 15 mph, with gusts as high as 26 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 17.

    High: 17 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. Low around 11. Chance of precipitation is 80%.

    Low: 11 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: Snow. High near 18. Chance of precipitation is 90%.

    High: 18 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.

    Low: 13 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. South wind 8 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 43. West wind 7 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 22. West wind around 6 mph.
Friday
Partly sunny, with a high near 34. West wind 5 to 15 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 8. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Saturday
Mostly cloudy, with a high near 17.
Saturday Night
Snow, mainly after 1am. Low around 11. Chance of precipitation is 80%.
Sunday
Snow. High near 18. Chance of precipitation is 90%.
Sunday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 60%.
Monday
Partly sunny, with a high near 22.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Partly sunny, with a high near 26.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
7:06 pm EST Jan 21, 2026
Forecast Valid:
8pm EST Jan 21, 2026-6pm EST Jan 28, 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