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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

26°F

-3°C

Humidity 66%
Wind Speed NW 17 mph
Barometer 29.96 in (1015.0 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 24 Feb 3:56 am EST
Extended Forecast for

Hummelstown PA

  • Today

    Today: Mostly sunny, with a high near 33. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 33 °F

    Mostly Sunny

  • Tonight

    Tonight: Snow likely, mainly between midnight and 4am. Increasing clouds, with a low around 24. Calm wind becoming south 5 to 8 mph in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Partly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 10am, then a slight chance of rain showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. Southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West wind around 6 mph becoming calm after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of snow showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 39. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 10pm, then a chance of rain showers between 10pm and 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 26 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 33. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tonight
Snow likely, mainly between midnight and 4am. Increasing clouds, with a low around 24. Calm wind becoming south 5 to 8 mph in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
A slight chance of rain and snow showers before 10am, then a slight chance of rain showers between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. Southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 29. West wind around 6 mph becoming calm after midnight.
Thursday
A chance of snow showers before 1pm, then rain and snow showers likely. Mostly cloudy, with a high near 39. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow showers before 10pm, then a chance of rain showers between 10pm and 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 20.
Monday
A chance of snow showers. Partly sunny, with a high near 33. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
Last Update:
2:58 am EST Feb 24, 2026
Forecast Valid:
4am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation