Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Overcast

31°F

-1°C

Humidity 52%
Wind Speed SW 14 G 21 mph
Barometer 29.77 in (1008.7 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 31 Dec 5:56 pm EST
Extended Forecast for

Hummelstown PA

  • Tonight

    Tonight: A slight chance of snow showers before 1am, then a chance of snow showers after 2am.  Mostly cloudy, with a low around 23. Southwest wind 8 to 14 mph becoming northwest after midnight. Winds could gust 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. Northwest wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. West wind 6 to 9 mph.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. West wind 6 to 10 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21. West wind around 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow showers before 1am, then a chance of snow showers after 2am. Mostly cloudy, with a low around 23. Southwest wind 8 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 30%.
New Year's Day
Mostly sunny, with a high near 29. Northwest wind 14 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 19. West wind 6 to 9 mph.
Friday
Partly sunny, with a high near 34. West wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 21. West wind around 6 mph.
Saturday
Partly sunny, with a high near 35.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly cloudy, with a high near 36.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A chance of showers. Mostly cloudy, with a high near 46. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
2:09 pm EST Dec 31, 2025
6pm EST Dec 31, 2025-6pm EST Jan 7, 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