Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Partly Cloudy
19°F
-7°C
| Humidity | 68% |
| Wind Speed | W 9 mph |
| Barometer | 29.95 in (1014.7 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 8°F (-13°C) |
| Last update | 18 Jan 9:56 pm EST |
Extended Forecast for
Hummelstown PA
Tonight

Low: 18 °F
Increasing
CloudsM.L.King Day
High: 34 °F
Mostly Sunny
then Partly
Sunny and
BreezyMonday Night

Low: 11 °F
Mostly Clear
Tuesday

High: 22 °F
Sunny
Tuesday Night

Low: 8 °F
Mostly Clear
Wednesday

High: 33 °F
Mostly Sunny
Wednesday Night

Low: 27 °F
Mostly Cloudy
Thursday

High: 38 °F
Partly Sunny
Thursday Night

Low: 16 °F
Partly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 18. West wind 3 to 6 mph.
M.L.King Day
Increasing clouds, with a high near 34. Breezy, with a light south wind becoming west 16 to 21 mph in the morning. Winds could gust as high as 38 mph.
Monday Night
Mostly clear, with a low around 11. Wind chill values as low as zero. West wind 10 to 18 mph, with gusts as high as 32 mph.
Tuesday
Sunny, with a high near 22. Wind chill values as low as zero. West wind 10 to 14 mph, with gusts as high as 28 mph.
Tuesday Night
Mostly clear, with a low around 8. West wind around 6 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Mostly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
A chance of snow showers. Partly sunny, with a high near 28. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 30%.
Sunday
A chance of snow showers. Partly sunny, with a high near 21. Chance of precipitation is 40%.
Additional Forecasts and Information
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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)
10:46 pm EST Jan 18, 2026
10pm EST Jan 18, 2026-6pm EST Jan 25, 2026


