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.

Fog

44°F

7°C

Humidity 100%
Wind Speed Calm
Barometer 29.81 in (1009.8 mb)
Dewpoint 44°F (7°C)
Visibility 0.13 mi
Last update 8 Mar 3:56 am EDT
Extended Forecast for

Harrisburg International Airport PA

Dense Fog Advisory March 8, 04:32am until March 8, 08:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 8, 04:32am until March 8, 08:00am

    NOW until 8:00am Sun

    Dense Fog Advisory

  • Today

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 40. West wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Light southwest wind.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 73. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 65. West wind 6 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 40. West wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 68. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42. Light southwest wind.
Tuesday
Sunny, with a high near 73. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
A chance of showers. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Thursday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 51. Breezy. Chance of precipitation is 60%.
Thursday Night
Mostly clear, with a low around 29.
Friday
Partly sunny, with a high near 50. Breezy.
Friday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
4:01 am EDT Mar 8, 2026
Forecast Valid:
4am EDT Mar 8, 2026-6pm EDT Mar 14, 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