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.

Mostly Cloudy

75°F

24°C

Humidity 84%
Wind Speed Calm
Barometer 29.94 in (1013.6 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 10 Sep 8:56 am EDT
Extended Forecast for

4 Miles W Lawn PA

  • Today

    Today: Mostly sunny, with a high near 86. West wind 7 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers after 2am. Mostly cloudy, with a low around 65. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 80. North wind around 6 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59. Light east wind.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Mostly cloudy, with a high near 80. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 67. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers

  • Sunday

    Sunday: Showers likely before 8am. Partly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Mostly Sunny

  • Sunday Night

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

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. West wind 7 to 9 mph.
Tonight
Isolated showers after 2am. Mostly cloudy, with a low around 65. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 80. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 59. Light east wind.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 80. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8pm. Low around 67. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely before 8am. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A chance of showers. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lawn PA
 40.21°N 76.62°W (Elev. 489 ft)
Last Update:
8:06 am EDT Sep 10, 2026
Forecast Valid:
9am EDT Sep 10, 2026-6pm EDT Sep 16, 2026
 
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