Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Overcast

53°F

12°C

Humidity 96%
Wind Speed SE 7 mph
Barometer 29.75 in (1007.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 16 Mar 3:56 am EDT
Extended Forecast for

Hallam PA

Wind Advisory March 16, 12:00pm until March 16, 11:00pm
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: A chance of showers and thunderstorms.  Cloudy, with a steady temperature around 58. Southeast wind around 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe.  Mostly cloudy, with a high near 66. Breezy, with a south wind 20 to 25 mph, with gusts as high as 46 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Breezy.
    Chance
    Showers then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain showers and sleet before midnight, then a slight chance of rain and snow showers between midnight and 1am. Some thunder is also possible.  Low around 27. Windy, with a west wind 22 to 26 mph, with gusts as high as 45 mph.  Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.

    Low: 27 °F

    Rain/Sleet
    and Windy
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 36. West wind around 18 mph, with gusts as high as 30 mph.

    High: 36 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. West wind 6 to 15 mph, with gusts as high as 21 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Cloudy, with a steady temperature around 58. Southeast wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. Mostly cloudy, with a high near 66. Breezy, with a south wind 20 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Rain showers and sleet before midnight, then a slight chance of rain and snow showers between midnight and 1am. Some thunder is also possible. Low around 27. Windy, with a west wind 22 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. Little or no snow and sleet accumulation expected.
Tuesday
Partly sunny, with a high near 36. West wind around 18 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind 6 to 15 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 55.
Friday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 40.02°N 76.6°W (Elev. 522 ft)
3:36 am EDT Mar 16, 2026
4am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
 
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Additional Resources

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