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.

Overcast

38°F

3°C

Humidity 48%
Wind Speed S 8 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Nov 2:56 am EST
Extended Forecast for

Hallam PA

  • Overnight

    Overnight: Cloudy early, then becoming partly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52. West wind 11 to 16 mph, with gusts as high as 29 mph.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 37. West wind 11 to 13 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 50. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 50 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 34. West wind 7 to 10 mph.

    Low: 34 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain. Cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Overnight
Cloudy early, then becoming partly cloudy, with a low around 32. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 52. West wind 11 to 16 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 37. West wind 11 to 13 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 50. Northwest wind 11 to 15 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 34. West wind 7 to 10 mph.
Friday
Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 53.
Saturday Night
A chance of rain. Cloudy, with a low around 46. Chance of precipitation is 50%.
Sunday
A chance of rain before 1pm. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 40.02°N 76.6°W (Elev. 522 ft)
Last Update:
1:05 am EST Nov 12, 2025
Forecast Valid:
3am EST Nov 12, 2025-6pm EST Nov 18, 2025
 
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