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.

Fog/Mist

36°F

2°C

Humidity 97%
Wind Speed E 8 mph
Barometer 30.02 in (1016.8 mb)
Dewpoint 35°F (2°C)
Visibility 4.00 mi
Wind Chill30°F (-1°C)
Last update 23 Nov 7:56 am EST
Extended Forecast for

Lawn PA

  • Today

    Today: Mostly sunny, with a high near 55. South wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 55 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 34. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. West wind 5 to 7 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. Calm wind becoming southeast around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Cloudy, with a high near 53. South wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 55. South wind 5 to 13 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 34. West wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 53. West wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 36. Calm wind becoming southeast around 5 mph after midnight.
Tuesday
Showers likely, mainly after 1pm. Cloudy, with a high near 53. South wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of showers before 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Partly sunny, with a high near 64.
Wednesday Night
Mostly cloudy, with a low around 35.
Thanksgiving Day
Partly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 41.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Lawn PA
 40.22°N 76.56°W (Elev. 479 ft)
Last Update:
7:20 am EST Nov 23, 2025
Forecast Valid:
9am EST Nov 23, 2025-6pm EST Nov 29, 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