Hazardous Weather Conditions
Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Overcast
44°F
7°C
| Humidity | 93% |
| Wind Speed | SE 6 mph |
| Barometer | 30.13 in (1020.6 mb) |
| Dewpoint | 42°F (6°C) |
| Visibility | 8.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 7 Mar 11:56 am EST |
Extended Forecast for
Hallam PA
This Afternoon

High: 55 °F
Patchy Fog
Tonight

Low: 54 °F
Showers
LikelySunday

High: 65 °F
Chance
ShowersSunday Night

Low: 41 °F
Mostly Clear
Monday

High: 67 °F
Sunny
Monday Night

Low: 47 °F
Clear
Tuesday

High: 73 °F
Sunny
Tuesday Night
Low: 56 °F
Mostly Clear
then Chance
ShowersWednesday

High: 74 °F
Chance
Showers
Detailed Forecast
This Afternoon
Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 55. South wind 8 to 10 mph.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers. Mostly cloudy, with a low around 54. South wind 10 to 13 mph becoming southwest after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers, mainly between 7am and 1pm. Mostly cloudy, with a high near 65. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly clear, with a low around 41. Southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 67. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 47.
Tuesday
Sunny, with a high near 73.
Tuesday Night
A chance of showers after 1am. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 45. Breezy. Chance of precipitation is 70%.
Thursday
A chance of rain. Partly sunny, with a high near 56. Breezy. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 47.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Hallam PA
40°N 76.57°W (Elev. 486 ft)
40°N 76.57°W (Elev. 486 ft)
7:33 am EST Mar 7, 2026
12pm EST Mar 7, 2026-6pm EDT Mar 13, 2026



