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.

Overcast

51°F

11°C

Humidity 74%
Wind Speed E 5 mph
Barometer 29.55 in (1000.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 12 Nov 7:56 am EST
Extended Forecast for

Harrisburg International Airport PA

  • Today

    Today: Rain and thunderstorms before 3pm, then a chance of rain. High near 55. East wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Rain then
    Chance Rain

  • Tonight

    Tonight: A chance of rain, mainly after 5am. Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly before 11am, then a slight chance of showers after 1pm. Mostly cloudy, with a high near 45. North wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Rain Likely

  • Friday Night

    Friday Night: A slight chance of rain showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 32. North wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 48. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and thunderstorms before 3pm, then a chance of rain. High near 55. East wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain, mainly after 5am. Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly before 11am, then a slight chance of showers after 1pm. Mostly cloudy, with a high near 45. North wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of rain showers before 10pm, then a slight chance of snow showers. Mostly cloudy, with a low around 32. North wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 48. Northwest wind 8 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 30.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 30.
Wednesday
Sunny, with a high near 57.
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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:
7:06 am EST Nov 12, 2026
Forecast Valid:
8am EST Nov 12, 2026-6pm EST Nov 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation