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

75°F

24°C

Humidity 42%
Wind Speed SW 10 G 16 mph
Barometer 29.66 in (1004.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 26 Mar 7:56 pm EDT
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm, then showers after 3am. Low around 43. Southwest wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before noon. Mostly cloudy, with a high near 50. North wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. North wind 6 to 11 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 43. Northwest wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. Light and variable wind.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm, then showers after 3am. Low around 43. Southwest wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers likely, mainly before noon. Mostly cloudy, with a high near 50. North wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. North wind 6 to 11 mph.
Saturday
Sunny, with a high near 43. Northwest wind 11 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 27. Light and variable wind.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 64.
Monday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
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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:
8:06 pm EDT Mar 26, 2026
Forecast Valid:
8pm EDT Mar 26, 2026-6pm EDT Apr 2, 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