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.

Fair

47°F

8°C

Humidity 69%
Wind Speed NW 8 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 16 Oct 7:56 am EDT
Extended Forecast for

Lawn PA

Frost Advisory October 17, 02:00am until October 17, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Sunny, with a high near 61. North wind 10 to 17 mph, with gusts as high as 29 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 37. North wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 37 °F

    Clear

  • Friday

    Friday: Areas of frost before 8am. Otherwise, sunny, with a high near 63. North wind 7 to 10 mph.

    High: 63 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 67. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 67 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 2pm. Mostly sunny, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 61. North wind 10 to 17 mph, with gusts as high as 29 mph.
Tonight
Clear, with a low around 37. North wind 8 to 11 mph, with gusts as high as 20 mph.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 63. North wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 42. Calm wind.
Saturday
Partly sunny, with a high near 67. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 50%.
Sunday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Monday
A chance of showers before 2pm. Mostly sunny, with a high near 64. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Sunny, with a high near 68.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 48. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 65. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lawn PA
 40.22°N 76.53°W (Elev. 604 ft)
Last Update:
8:05 am EDT Oct 16, 2025
Forecast Valid:
8am EDT Oct 16, 2025-6pm EDT Oct 22, 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