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

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

53°F

12°C

Humidity 55%
Wind Speed NW 14 G 26 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 7 Jan 3:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. West wind 5 to 10 mph becoming light northwest after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 49. Calm wind.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 34. Calm wind becoming southeast 5 to 8 mph after midnight.

    Low: 34 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 53. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Slight Chance
    Rain then
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain. Cloudy, with a low around 47. Southwest wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely before 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Sunday

    Sunday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 34. West wind 5 to 10 mph becoming light northwest after midnight.
Thursday
Mostly sunny, with a high near 49. Calm wind.
Thursday Night
Increasing clouds, with a low around 34. Calm wind becoming southeast 5 to 8 mph after midnight.
Friday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 53. South wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of rain. Cloudy, with a low around 47. Southwest wind 5 to 9 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 57. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely before 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 44.
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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:
3:25 pm EST Jan 7, 2026
Forecast Valid:
4pm EST Jan 7, 2026-6pm EST Jan 14, 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