Hazardous Weather Conditions
Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Overcast
25°F
-4°C
| Humidity | 55% |
| Wind Speed | W 13 mph |
| Barometer | 29.90 in (1012.8 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 13°F (-11°C) |
| Last update | 31 Dec 6:56 am EST |
Extended Forecast for
Hummelstown PA
Today

High: 35 °F
Mostly Cloudy
Tonight

Low: 23 °F
Heavy Snow
New Year's Day

High: 29 °F
Mostly Sunny
Thursday Night

Low: 18 °F
Increasing
CloudsFriday

High: 35 °F
Mostly Cloudy
Friday Night

Low: 22 °F
Partly Cloudy
Saturday

High: 34 °F
Partly Sunny
Saturday Night

Low: 21 °F
Mostly Cloudy
Sunday

High: 35 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 35. West wind 10 to 13 mph, with gusts as high as 22 mph.
Tonight
Scattered snow showers, mainly before 1am. The snow could be heavy at times. Cloudy, then gradually becoming partly cloudy, with a low around 23. Southwest wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 40%.
New Year's Day
Mostly sunny, with a high near 29. Northwest wind around 15 mph, with gusts as high as 26 mph.
Thursday Night
Increasing clouds, with a low around 18. West wind 6 to 9 mph.
Friday
Mostly cloudy, with a high near 35. Southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly cloudy, with a high near 38.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 40.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Hummelstown PA
40.26°N 76.7°W (Elev. 427 ft)
40.26°N 76.7°W (Elev. 427 ft)
7:26 am EST Dec 31, 2025
7am EST Dec 31, 2025-6pm EST Jan 6, 2026



