Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Overcast
48°F
9°C
| Humidity | 68% |
| Wind Speed | SE 15 mph |
| Barometer | 30.05 in (1017.7 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 42°F (6°C) |
| Last update | 15 Mar 9:56 pm EDT |
Extended Forecast for
Hallam PA
Tonight
Low: 49 °F⇑
Chance
Showers then
ShowersMonday
High: 66 °F
Severe
Thunderstorms
and BreezyMonday Night
Low: 28 °F
Wintry Mix
and BreezyTuesday
High: 35 °F
Increasing
CloudsTuesday Night
Low: 22 °F
Mostly Clear
Wednesday
High: 38 °F
Partly Sunny
Wednesday Night
Low: 27 °F
Mostly Cloudy
Thursday
High: 47 °F
Partly Sunny
Thursday Night
Low: 35 °F
Mostly Cloudy
Detailed Forecast
Tonight
Showers, mainly between midnight and 5am. Temperature rising to around 57 by 5am. Southeast wind around 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could be severe. High near 66. Breezy, with a south wind 15 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers, mixing with snow after 11pm, then gradually ending. Some thunder is also possible. Low around 28. Breezy, with a west wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday
Increasing clouds, with a high near 35. West wind around 17 mph, with gusts as high as 31 mph.
Tuesday Night
Mostly clear, with a low around 22. West wind 7 to 14 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 47.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 54.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 54.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hallam PA
40.02°N 76.6°W (Elev. 522 ft)
40.02°N 76.6°W (Elev. 522 ft)
8:06 pm EDT Mar 15, 2026
10pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
