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Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Mostly Cloudy
41°F
5°C
| Humidity | 73% |
| Wind Speed | SE 7 mph |
| Barometer | 30.15 in (1021.4 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 19 Mar 11:56 pm EDT |
Extended Forecast for
Hallam PA
Overnight

Low: 36 °F
Decreasing
CloudsFriday
High: 63 °F
Mostly Sunny
then Chance
ShowersFriday Night
Low: 45 °F
Showers
Likely then
Slight Chance
T-stormsSaturday

High: 55 °F
Mostly Sunny
Saturday Night

Low: 42 °F
Mostly Cloudy
Sunday

High: 69 °F
Partly Sunny
Sunday Night

Low: 46 °F
Rain Likely
Monday
High: 53 °F
Rain Likely
then Chance
RainMonday Night

Low: 29 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Southwest wind 3 to 5 mph.
Friday
A chance of showers, mainly after 4pm. Partly sunny, with a high near 63. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers and thunderstorms likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 45. Southwest wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 55. Northwest wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 42. Light and variable wind becoming south around 6 mph in the evening.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Monday
Rain likely, mainly before 8am. Partly sunny, with a high near 53. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 58.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hallam PA
40.02°N 76.6°W (Elev. 522 ft)
40.02°N 76.6°W (Elev. 522 ft)
12:29 am EDT Mar 20, 2026
12am EDT Mar 20, 2026-6pm EDT Mar 26, 2026


