Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Fair
40°F
4°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.50 in (1033.2 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 1:56 am EDT |
Extended Forecast for
Hummelstown PA
Overnight
Low: 34 °F
Patchy Frost
and Patchy
FogMonday
High: 68 °F
Areas Frost
and Patchy
Fog then
SunnyMonday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 68 °F
Sunny
Tuesday Night
Low: 39 °F
Mostly Clear
Wednesday
High: 64 °F
Sunny
Wednesday Night
Low: 39 °F
Mostly Clear
Thursday
High: 66 °F
Sunny
Thursday Night
Low: 43 °F
Clear
Detailed Forecast
Overnight
Patchy fog after 5am. Patchy frost after 4am. Otherwise, clear, with a low around 34. Calm wind.
Monday
Patchy fog before 7am. Areas of frost before 9am. Otherwise, sunny, with a high near 68. Calm wind becoming north around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 68. North wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 39. North wind 5 to 8 mph.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 66.
Thursday Night
Clear, with a low around 43.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 65.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hummelstown PA
40.28°N 76.7°W (Elev. 397 ft)
40.28°N 76.7°W (Elev. 397 ft)
2:46 am EDT Oct 19, 2026
2am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
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