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

57°F

14°C

Humidity 62%
Wind Speed N 6 mph
Barometer 30.11 in (1020.0 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 26 Apr 5:56 pm EDT
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Northeast wind around 6 mph becoming calm in the evening.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Calm wind becoming east around 6 mph in the afternoon.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. South wind around 6 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers after 2pm. Partly sunny, with a high near 66. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 66 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 64. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Showers

  • Thursday

    Thursday: A chance of showers before 8am. Partly sunny, with a high near 61. Chance of precipitation is 30%.

    High: 61 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. Northeast wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 69. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 45. South wind around 6 mph.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 66. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 49. Southeast wind around 7 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 64. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm. Low around 48. Chance of precipitation is 80%.
Thursday
A chance of showers before 8am. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Sunny, with a high near 63.
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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:
6:05 pm EDT Apr 26, 2026
Forecast Valid:
6pm EDT Apr 26, 2026-6pm EDT May 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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