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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

22°F

-6°C

Humidity 60%
Wind Speed N 5 mph
Barometer 29.91 in (1013.2 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 19 Jan 12:56 am EST
Extended Forecast for

Harrisburg International Airport PA

  • Overnight

    Overnight: Mostly clear early, then becoming mostly cloudy, with a low around 18. West wind 3 to 5 mph.

    Low: 18 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Increasing clouds, with a high near 34. Breezy, with a south wind 5 to 10 mph becoming west 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 34 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 11. Wind chill values as low as zero. Breezy, with a west wind 11 to 20 mph, with gusts as high as 32 mph.

    Low: 11 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. Wind chill values as low as -5. West wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. West wind around 6 mph becoming calm in the evening.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear early, then becoming mostly cloudy, with a low around 18. West wind 3 to 5 mph.
M.L.King Day
Increasing clouds, with a high near 34. Breezy, with a south wind 5 to 10 mph becoming west 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph.
Monday Night
Mostly clear, with a low around 11. Wind chill values as low as zero. Breezy, with a west wind 11 to 20 mph, with gusts as high as 32 mph.
Tuesday
Sunny, with a high near 22. Wind chill values as low as -5. West wind 10 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 10. West wind around 6 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 17.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
A chance of snow. Partly sunny, with a high near 20. Chance of precipitation is 30%.
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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:
1:16 am EST Jan 19, 2026
Forecast Valid:
1am EST Jan 19, 2026-6pm EST Jan 25, 2026
 
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Additional Resources

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