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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

A Few Clouds

46°F

8°C

Humidity 51%
Wind Speed SW 10 mph
Barometer 29.68 in (1005.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 25 Feb 9:56 pm EST
Extended Forecast for

Hallam PA

  • Tonight

    Tonight: Mostly clear, with a low around 29. West wind 5 to 9 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of snow showers after noon. Partly sunny, with a high near 40. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.

    High: 40 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. South wind around 7 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °F

    Partly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 29. West wind 5 to 9 mph.
Thursday
A slight chance of snow showers after noon. Partly sunny, with a high near 40. Northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 25. Calm wind.
Friday
Sunny, with a high near 45. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 32. South wind around 7 mph.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 42.
Sunday Night
A chance of snow after 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Monday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 40%.
Monday Night
A chance of snow. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Wednesday
A chance of rain. Partly sunny, with a high near 43. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 40.02°N 76.6°W (Elev. 522 ft)
Last Update:
5:48 pm EST Feb 25, 2026
Forecast Valid:
10pm EST Feb 25, 2026-6pm EST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation