Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Mostly Cloudy
74°F
23°C
| Humidity | 71% |
| Wind Speed | S 7 mph |
| Barometer | 30.00 in (1015.6 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 27 Aug 12:56 am EDT |
Extended Forecast for
Hummelstown PA
Overnight
Low: 68 °F
Chance
ShowersThursday
High: 88 °F
Chance
Showers then
Severe
ThunderstormsThursday Night
Low: 66 °F
Severe
Thunderstorms
and Patchy
FogFriday
High: 85 °F
Patchy Fog
then Mostly
SunnyFriday Night
Low: 62 °F
Mostly Clear
Saturday
High: 84 °F
Sunny
Saturday Night
Low: 64 °F
Mostly Clear
Sunday
High: 88 °F
Mostly Sunny
Sunday Night
Low: 68 °F
Partly Cloudy
Detailed Forecast
Overnight
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe and produce heavy rainfall. Partly sunny, with a high near 88. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe and produce heavy rainfall. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between three quarters and one inch possible.
Friday
Patchy fog before 7am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 85. Calm wind becoming northwest around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 62. Light north wind.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny and hot, with a high near 92.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hummelstown PA
40.26°N 76.73°W (Elev. 335 ft)
40.26°N 76.73°W (Elev. 335 ft)
12:51 am EDT Aug 27, 2026
1am EDT Aug 27, 2026-6pm EDT Sep 2, 2026
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