National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fair and Breezy

46°F

8°C

Humidity 38%
Wind Speed W 23 G 39 mph
Barometer 29.85 in (1011.0 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 14 Mar 5:56 am EDT
Extended Forecast for

Hallam PA

  • Today

    Today: Sunny, with a high near 49. Breezy, with a west wind 17 to 23 mph, with gusts as high as 40 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming calm.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 53. Southeast wind 10 to 18 mph, with gusts as high as 31 mph.

    High: 53 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 49. Breezy, with a southeast wind 18 to 20 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

    Breezy.
    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 66. Breezy, with a south wind 21 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers before 2am, then a slight chance of snow showers. Some thunder is also possible. Low around 28. Windy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Showers and
    Windy then
    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Breezy.

    High: 33 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 49. Breezy, with a west wind 17 to 23 mph, with gusts as high as 40 mph.
Tonight
Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming calm.
Sunday
Mostly cloudy, with a high near 53. Southeast wind 10 to 18 mph, with gusts as high as 31 mph.
Sunday Night
Showers, mainly after 2am. Low around 49. Breezy, with a southeast wind 18 to 20 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, with thunderstorms also possible after 2pm. High near 66. Breezy, with a south wind 21 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 2am, then a slight chance of snow showers. Some thunder is also possible. Low around 28. Windy. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday
Partly sunny, with a high near 33. Breezy.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Partly sunny, with a high near 53.
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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:
6:06 am EDT Mar 14, 2026
Forecast Valid:
6am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
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Additional Resources

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