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.

Light Rain

62°F

17°C

Humidity 86%
Wind Speed W 3 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 10 May 3:56 pm EDT
Extended Forecast for

Harrisburg International Airport PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Northwest wind around 9 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind becoming north 5 to 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 66. Calm wind becoming west around 6 mph in the afternoon.

    High: 66 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 39. Northwest wind 5 to 7 mph becoming calm after midnight.

    Low: 39 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Sunny, with a high near 67. Light north wind.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.

    Low: 49 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly after 2pm. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 49. Chance of precipitation is 80%.

    Low: 49 °F

    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Northwest wind around 9 mph. Chance of precipitation is 40%.
Tonight
Mostly cloudy, with a low around 46. Calm wind becoming north 5 to 7 mph.
Monday
Partly sunny, with a high near 66. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 39. Northwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 67. Light north wind.
Tuesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 49. Chance of precipitation is 20%.
Wednesday
Showers and possibly a thunderstorm, mainly after 2pm. High near 68. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 49. Chance of precipitation is 80%.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
2:45 pm EDT May 10, 2026
Forecast Valid:
4pm EDT May 10, 2026-6pm EDT May 17, 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