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 and Breezy

43°F

6°C

Humidity 53%
Wind Speed NW 21 G 33 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 23 Mar 4:56 pm EDT
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Northwest wind 9 to 17 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 48. Northwest wind 5 to 7 mph becoming calm in the afternoon.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. South wind around 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 8am. High near 56. Chance of precipitation is 80%.

    High: 56 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. Northwest wind 9 to 17 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 48. Northwest wind 5 to 7 mph becoming calm in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32. Calm wind.
Wednesday
Partly sunny, with a high near 56. Light south wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 43. South wind around 10 mph.
Thursday
Mostly cloudy, with a high near 70.
Thursday Night
Showers, mainly after 2am. Low around 48. Chance of precipitation is 80%.
Friday
Showers, mainly before 8am. High near 56. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 45.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.2°N 76.77°W (Elev. 299 ft)
Last Update:
2:20 pm EDT Mar 23, 2026
Forecast Valid:
5pm EDT Mar 23, 2026-6pm EDT Mar 30, 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