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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Overcast

37°F

3°C

Humidity 42%
Wind Speed S 8 mph
Barometer 30.06 in (1018.2 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 21 Jan 10:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 30. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. West wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. West wind 6 to 8 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 6. Northwest wind 11 to 15 mph, with gusts as high as 22 mph.

    Low: 6 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 16.

    High: 16 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. Low around 10. Chance of precipitation is 80%.

    Low: 10 °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

Overnight
Mostly cloudy, with a low around 30. South wind around 11 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 42. West wind 10 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 22. West wind 6 to 8 mph.
Friday
Partly sunny, with a high near 34. West wind 6 to 11 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
Partly cloudy, with a low around 6. Northwest wind 11 to 15 mph, with gusts as high as 22 mph.
Saturday
Mostly cloudy, with a high near 16.
Saturday Night
Snow, mainly after 1am. Low around 10. 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 5.
Tuesday
Sunny, with a high near 20.
Tuesday Night
Partly cloudy, with a low around 6.
Wednesday
Partly sunny, with a high near 24.
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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:
7:06 pm EST Jan 21, 2026
Forecast Valid:
12am EST Jan 22, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation