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.

Overcast

41°F

5°C

Humidity 93%
Wind Speed Calm
Barometer 29.54 in (1000.5 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 14 Jan 1:56 pm EST
Extended Forecast for

Hallam PA

  • This Afternoon

    This Afternoon: A chance of rain. Cloudy, with a high near 49. Southeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain

  • Tonight

    Tonight: Rain showers likely before 3am, then a chance of rain and snow showers. Cloudy, with a low around 27. Light and variable wind becoming west 13 to 18 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 29. Breezy, with a west wind 18 to 21 mph, with gusts as high as 33 mph.

    High: 29 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph.

    Low: 19 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. West wind around 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 39. Chance of precipitation is 40%.

    High: 39 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of rain. Cloudy, with a high near 49. Southeast wind around 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain showers likely before 3am, then a chance of rain and snow showers. Cloudy, with a low around 27. Light and variable wind becoming west 13 to 18 mph in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 29. Breezy, with a west wind 18 to 21 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 19. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph.
Friday
Mostly sunny, with a high near 32. West wind around 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 28.
Saturday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 39. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
Partly sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 16.
M.L.King Day
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 22.
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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:
2:26 pm EST Jan 14, 2026
Forecast Valid:
2pm EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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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