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.

Mostly Cloudy

72°F

22°C

Humidity 50%
Wind Speed S 7 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 4 Nov 4:56 pm EST
Extended Forecast for

Hallam PA

  • Tonight

    Tonight: Rain likely, mainly after 4am. Mostly cloudy, with a low around 62. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Mostly Cloudy
    then Rain
    Likely

  • Thursday

    Thursday: Showers before 11am, then a chance of showers after 2pm. High near 74. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely before midnight, then a chance of showers after 5am. Mostly cloudy, with a low around 57. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 7am, then a slight chance of showers after 1pm. Partly sunny, with a high near 69. Light northwest wind. Chance of precipitation is 20%.

    High: 69 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. Calm wind becoming northwest 5 to 8 mph after midnight.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain likely, mainly after 4am. Mostly cloudy, with a low around 62. South wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers before 11am, then a chance of showers after 2pm. High near 74. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely before midnight, then a chance of showers after 5am. Mostly cloudy, with a low around 57. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A slight chance of showers before 7am, then a slight chance of showers after 1pm. Partly sunny, with a high near 69. Light northwest wind. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 48. Calm wind becoming northwest 5 to 8 mph after midnight.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 41.
Veterans Day
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 40°N 76.6°W (Elev. 364 ft)
Last Update:
4:51 pm EST Nov 4, 2026
Forecast Valid:
5pm EST Nov 4, 2026-6pm EST Nov 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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