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 Chill42°F (6°C)
Last update 15 Mar 9:56 pm EDT
Extended Forecast for

Hallam PA

  • Tonight

    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.

    Low: 49 °F

    Chance
    Showers then
    Showers

  • Monday

    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.

    High: 66 °F

    Severe
    Thunderstorms
    and Breezy

  • Monday Night

    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.

    Low: 28 °F

    Wintry Mix
    and Breezy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 35. West wind around 17 mph, with gusts as high as 31 mph.

    High: 35 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22. West wind 7 to 14 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 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
 
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