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.

Fair

43°F

6°C

Humidity 38%
Wind Speed S 3 mph
Barometer 30.39 in (1029.3 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 24 Mar 1:56 pm EDT
Extended Forecast for

Harrisburg International Airport PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 48. Calm wind.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 55. Light southeast wind becoming south 5 to 10 mph in the afternoon.

    High: 55 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. South wind around 9 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 8am. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 48. Calm wind.
Tonight
Mostly cloudy, with a low around 33. Calm wind.
Wednesday
Mostly cloudy, with a high near 55. Light southeast wind becoming south 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 43. South wind around 9 mph.
Thursday
Mostly cloudy, with a high near 70. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Showers, mainly after 2am. Low around 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers, mainly before 8am. High near 54. Chance of precipitation is 80%.
Friday Night
Mostly clear, with a low around 27.
Saturday
Sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Partly sunny, with a high near 61.
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:
2:20 pm EDT Mar 24, 2026
Forecast Valid:
2pm EDT Mar 24, 2026-6pm EDT Mar 30, 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