Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Partly Cloudy and Breezy

29°F

-2°C

Humidity 43%
Wind Speed NW 22 G 43 mph
Barometer 29.83 in (1010.6 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 30 Dec 4:56 pm EST
Extended Forecast for

Hummelstown PA

  • Tonight

    Tonight: Increasing clouds, with a low around 24. West wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 24 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 34. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 34 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of snow showers, mainly between 7pm and 1am.  Mostly cloudy, with a low around 23. Southwest wind 8 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.

    Low: 23 °F

    Chance Snow
    Showers

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 29. West wind around 16 mph, with gusts as high as 26 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17. West wind 6 to 9 mph.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 24. West wind 10 to 17 mph, with gusts as high as 28 mph.
Wednesday
Mostly cloudy, with a high near 34. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
A chance of snow showers, mainly between 7pm and 1am. Mostly cloudy, with a low around 23. Southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
New Year's Day
Mostly sunny, with a high near 29. West wind around 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 17. West wind 6 to 9 mph.
Friday
Mostly cloudy, with a high near 36.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly cloudy, with a high near 38.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
1:51 pm EST Dec 30, 2025
5pm EST Dec 30, 2025-6pm EST Jan 6, 2026
 
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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