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Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

A Few Clouds

16°F

-9°C

Humidity 56%
Wind Speed NW 14 mph
Barometer 30.13 in (1020.8 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 27 Jan 12:56 am EST
Extended Forecast for

Hallam PA

Cold Weather Advisory January 27, 07:00pm until January 28, 10:00am
Cold Weather Advisory January 27, 01:43am until January 27, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
Cold Weather Advisory
  •  
    Cold Weather Advisory January 27, 01:43am until January 27, 10:00am

    NOW until 10:00am Tue

    Cold Weather Advisory

  • Overnight

    Low: 3 °F

    Mostly Clear

  • Tuesday

    Tuesday: Intermittent flurries after 10am.  Increasing clouds, with a high near 20. Wind chill values as low as -10. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 20 °F

    Intermittent
    Flurries

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 4. Wind chill values as low as -10. West wind around 10 mph.

    Low: 4 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Increasing clouds, with a high near 17. Wind chill values as low as -10. West wind around 9 mph.

    High: 17 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 1. West wind 6 to 8 mph.

    Low: 1 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 17.

    High: 17 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around -2.

    Low: -2 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 15.

    High: 15 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 3. Wind chill values as low as -5. West wind 10 to 13 mph, with gusts as high as 24 mph.
Tuesday
Intermittent flurries after 10am. Increasing clouds, with a high near 20. Wind chill values as low as -10. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 4. Wind chill values as low as -10. West wind around 10 mph.
Wednesday
Increasing clouds, with a high near 17. Wind chill values as low as -10. West wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 1. West wind 6 to 8 mph.
Thursday
Sunny, with a high near 17.
Thursday Night
Mostly clear, with a low around -2.
Friday
Mostly sunny, with a high near 15.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Partly sunny, with a high near 17.
Saturday Night
Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 22.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 40.02°N 76.6°W (Elev. 522 ft)
1:26 am EST Jan 27, 2026
1am EST Jan 27, 2026-6pm EST Feb 2, 2026
 
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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