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.

Mostly Cloudy

75°F

24°C

Humidity 54%
Wind Speed Calm
Barometer 29.88 in (1011.7 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Apr 11:56 pm EDT
Extended Forecast for

Harrisburg International Airport PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 86. Light south wind becoming southwest 6 to 11 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A slight chance of showers. Mostly sunny, with a high near 77. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Friday Night

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

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 20%.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

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

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 86. Light south wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 63. West wind around 6 mph. Chance of precipitation is 30%.
Friday
A slight chance of showers. Mostly sunny, with a high near 77. Northwest wind 7 to 9 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 56. Light north wind.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 20%.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Partly sunny, with a high near 71.
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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 Apr 15, 2026
Forecast Valid:
12am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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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