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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Overcast

35°F

2°C

Humidity 64%
Wind Speed NW 10 mph
Barometer 29.85 in (1011.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 23 Feb 5:56 pm EST
Extended Forecast for

Hummelstown PA

  • Tonight

    Tonight: Flurries likely before 7pm. Mostly cloudy, with a low around 20. Northwest wind 14 to 17 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Flurries
    Likely then
    Mostly Cloudy

  • Tuesday

    Tuesday: 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

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Increasing clouds, with a low around 24. Calm wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • 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: Rain and snow likely, mainly after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
Flurries likely before 7pm. Mostly cloudy, with a low around 20. Northwest wind 14 to 17 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 33. Northwest wind 8 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of snow after 1am. Increasing clouds, with a low around 24. Calm wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Wednesday
A slight chance of snow before 10am, then a slight chance of rain between 10am and 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. Southwest wind 10 to 14 mph, with gusts as high as 24 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
Rain and snow likely, mainly after 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Friday
Mostly sunny, with a high near 43.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 44.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 34. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
Last Update:
4:56 pm EST Feb 23, 2026
Forecast Valid:
6pm EST Feb 23, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation