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

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Partly Cloudy

65°F

18°C

Humidity 47%
Wind Speed S 13 G 21 mph
Barometer 30.32 in (1026.7 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 12 Apr 2:56 pm EDT
Extended Forecast for

Hallam PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers before 11am, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 77. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Southwest wind 6 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am. Partly cloudy, with a low around 63. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 53. South wind around 14 mph, with gusts as high as 25 mph.
Monday
A slight chance of showers before 11am, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 77. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 59. Southwest wind 6 to 10 mph.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 82. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers before 2am. Partly cloudy, with a low around 63. Southwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 64.
Thursday
Partly sunny, with a high near 86.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 78. 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:
2:21 pm EDT Apr 12, 2026
Forecast Valid:
3pm EDT Apr 12, 2026-6pm EDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation