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

33°F

1°C

Humidity 66%
Wind Speed SE 10 mph
Barometer 30.25 in (1024.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 19 Mar 5:56 am EDT
Extended Forecast for

Harrisburg International Airport PA

  • Today

    Today: Mostly cloudy, with a high near 50. Southeast wind 6 to 8 mph becoming southwest in the afternoon.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Decreasing
    Clouds

  • Friday

    Friday: A chance of showers after 2pm. Partly sunny, with a high near 60. Light southeast wind becoming south 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers, mainly before 2am. Low around 43. South wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Northwest wind 7 to 9 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely before 8am. Partly sunny, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Showers
    Likely then
    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 50. Southeast wind 6 to 8 mph becoming southwest in the afternoon.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 33. Calm wind.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 60. Light southeast wind becoming south 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers, mainly before 2am. Low around 43. South wind 6 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 61. Northwest wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 68.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Monday
Showers likely before 8am. Partly sunny, with a high near 49. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.2°N 76.77°W (Elev. 299 ft)
Last Update:
5:41 am EDT Mar 19, 2026
Forecast Valid:
6am EDT Mar 19, 2026-6pm EDT Mar 25, 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