National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Overcast

70°F

21°C

Humidity 71%
Wind Speed Calm
Barometer 29.91 in (1012.7 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 16 Apr 9:56 am EDT
Extended Forecast for

Harrisburg International Airport PA

  • Today

    Today: Mostly sunny, with a high near 87. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 63. West wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers after 8am. Mostly sunny, with a high near 78. Northwest wind around 8 mph. Chance of precipitation is 20%.

    High: 78 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly sunny, with a high near 80. Light east wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.

    High: 58 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 87. Southwest wind 5 to 11 mph, with gusts as high as 20 mph.
Tonight
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 63. West wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers after 8am. Mostly sunny, with a high near 78. Northwest wind around 8 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 56. Calm wind.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 80. Light east wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 69.
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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:
10:06 am EDT Apr 16, 2026
Forecast Valid:
10am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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