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.

Mostly Cloudy

60°F

16°C

Humidity 100%
Wind Speed SE 3 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 60°F (16°C)
Visibility 8.00 mi
Last update 15 Apr 5:56 am EDT
Extended Forecast for

Hallam PA

  • Today

    Today: Mostly sunny, with a high near 87. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 65. West wind 3 to 6 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 85. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 64. West wind around 6 mph. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 78. West wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 8pm. Mostly clear, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 87. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 65. West wind 3 to 6 mph.
Thursday
Partly sunny, with a high near 85. Southwest wind 5 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 64. West wind around 6 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 78. West wind 7 to 9 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers before 8pm. Mostly clear, with a low around 56. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 2am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 51. Breezy.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Sunny, with a high near 63.
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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 am EDT Apr 15, 2026
Forecast Valid:
6am EDT Apr 15, 2026-6pm EDT Apr 21, 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