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

71°F

22°C

Humidity 84%
Wind Speed SE 9 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Aug 9:56 pm EDT
Extended Forecast for

2 Miles SW Lawn PA

  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Chance
    T-storms

  • Sunday

    Sunday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. West wind 3 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79. West wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. West wind 5 to 8 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southeast wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 9am. Mostly cloudy, then gradually becoming sunny, with a high near 82. West wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 60. West wind 3 to 8 mph.
Monday
Sunny, with a high near 79. West wind 5 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 58. West wind 5 to 8 mph.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Friday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Lawn PA
 40.2°N 76.56°W (Elev. 489 ft)
Last Update:
8:11 pm EDT Aug 22, 2026
Forecast Valid:
10pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
Forecast Discussion
 
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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