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

40°F

4°C

Humidity 97%
Wind Speed Calm
Barometer 29.87 in (1011.7 mb)
Dewpoint 39°F (4°C)
Visibility 2.50 mi
Last update 10 Jan 6:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: A chance of rain, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 34. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow showers before 4pm, then a slight chance of rain showers between 4pm and 5pm, then a slight chance of rain and snow showers after 5pm. Mostly sunny, with a high near 41. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 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 28. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph.

    Low: 28 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Mostly sunny, with a high near 41. West wind 11 to 13 mph, with gusts as high as 21 mph.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. West wind 5 to 7 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of rain, mainly before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 34. Light and variable wind becoming west 5 to 10 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain and snow showers before 4pm, then a slight chance of rain showers between 4pm and 5pm, then a slight chance of rain and snow showers after 5pm. Mostly sunny, with a high near 41. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 28. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph.
Monday
Mostly sunny, with a high near 41. West wind 11 to 13 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 28. West wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 37.
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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:
7:05 pm EST Jan 10, 2026
Forecast Valid:
7pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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Chance of Precipitation