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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

A Few Clouds

24°F

-4°C

Humidity 88%
Wind Speed Calm
Barometer 30.01 in (1016.8 mb)
Dewpoint 21°F (-6°C)
Visibility 9.00 mi
Last update 27 Feb 4:56 am EST
Extended Forecast for

Hummelstown PA

  • Today

    Today: Sunny, with a high near 51. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 51 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. Light south wind.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 1am, mixing with snow after 4am. Partly cloudy, with a low around 33. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 20%.

    Low: 33 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of snow before 7am, then a slight chance of snow showers between 7am and 1pm. Mostly sunny, with a high near 41. Northwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    High: 41 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.

    High: 30 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

    High: 39 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 51. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 31. Light south wind.
Saturday
Mostly sunny, with a high near 56. Light and variable wind becoming southwest around 6 mph in the morning.
Saturday Night
A slight chance of rain after 1am, mixing with snow after 4am. Partly cloudy, with a low around 33. Calm wind becoming northeast around 6 mph after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of snow before 7am, then a slight chance of snow showers between 7am and 1pm. Mostly sunny, with a high near 41. Northwest wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A chance of snow. Mostly cloudy, with a high near 30. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
A chance of rain and snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Tuesday Night
Rain and snow showers likely, becoming all rain after 1am. Cloudy, with a low around 32. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
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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:
2:21 am EST Feb 27, 2026
Forecast Valid:
5am EST Feb 27, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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