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.

Fair

70°F

21°C

Humidity 30%
Wind Speed SW 8 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 9 Mar 5:56 pm EDT
Extended Forecast for

4 Miles W Lawn PA

  • Tonight

    Tonight: Clear, with a low around 45. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 45 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. South wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 75. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 2am. Low around 41. South wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Showers

  • Thursday

    Thursday: Showers, mainly before 8am. High near 49. Breezy. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Breezy.
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48. Breezy.

    High: 48 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

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

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 45. Southwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54. South wind around 5 mph becoming calm in the evening.
Wednesday
Showers likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 75. Light southeast wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm, then showers after 2am. Low around 41. South wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers, mainly before 8am. High near 49. Breezy. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 48. Breezy.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Partly sunny, with a high near 50.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Showers likely. Mostly cloudy, with a low around 41. Breezy. Chance of precipitation is 60%.
Monday
Rain and snow showers likely. Mostly cloudy, with a high near 49. Breezy. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Lawn PA
 40.21°N 76.62°W (Elev. 489 ft)
Last Update:
2:26 pm EDT Mar 9, 2026
Forecast Valid:
6pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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