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.

Partly Cloudy

61°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.02 in (1016.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 17 May 3:56 am EDT
Extended Forecast for

4 Miles S Lewisberry PA

  • Today

    Today: A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.

    High: 93 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South wind around 6 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94. Southwest wind 3 to 8 mph.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%.

    High: 88 °F

    Mostly Sunny
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 63. Calm wind.
Monday
Sunny and hot, with a high near 93. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 69. South wind around 6 mph.
Tuesday
Sunny and hot, with a high near 94. Southwest wind 3 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 88. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm. Low around 55. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 70.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Lewisberry PA
 40.07°N 76.85°W (Elev. 568 ft)
Last Update:
3:40 am EDT May 17, 2026
Forecast Valid:
4am EDT May 17, 2026-6pm EDT May 23, 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