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 Fog/Mist

45°F

7°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 30.05 in (1017.9 mb)
Dewpoint 43°F (6°C)
Visibility 4.00 mi
Wind Chill41°F (5°C)
Last update 9 Jan 2:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • This Afternoon

    This Afternoon: Showers, mainly before 4pm. High near 51. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. South wind 6 to 10 mph becoming northwest after midnight.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after noon. High near 43. Light and variable wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly between 7pm and 1am. Patchy dense fog before 1am. Otherwise, mostly cloudy, with a low around 34. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Rain Likely
    and Patchy
    Dense Fog

  • Sunday

    Sunday: A slight chance of rain showers after 1pm, mixing with snow after 4pm. Mostly sunny, with a high near 41. Breezy, with a west wind 11 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

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

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers, mainly before 4pm. High near 51. South wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 38. South wind 6 to 10 mph becoming northwest after midnight.
Saturday
Rain, mainly after noon. High near 43. Light and variable wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely, mainly between 7pm and 1am. Patchy dense fog before 1am. Otherwise, mostly cloudy, with a low around 34. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain showers after 1pm, mixing with snow after 4pm. Mostly sunny, with a high near 41. Breezy, with a west wind 11 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 36.
Thursday Night
Mostly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 32.
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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:
3:53 pm EST Jan 9, 2026
Forecast Valid:
3pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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Chance of Precipitation