National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
News Headlines

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

20°F

-7°C

Humidity 74%
Wind Speed E 5 mph
Barometer 29.92 in (1013.5 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 19 Jan 4:56 am EST
Extended Forecast for

Harrisburg International Airport PA

  • M.L.King Day

    M.L.King Day: Increasing clouds, with a high near 34. Light and variable wind becoming west 13 to 18 mph in the morning. Winds could gust as high as 32 mph.

    High: 34 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 11. Wind chill values as low as zero. West wind 10 to 17 mph, with gusts as high as 31 mph.

    Low: 11 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 22. Wind chill values as low as -5. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 8. West wind around 5 mph becoming calm in the evening.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Partly sunny, with a high near 33. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 33 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

M.L.King Day
Increasing clouds, with a high near 34. Light and variable wind becoming west 13 to 18 mph in the morning. Winds could gust as high as 32 mph.
Tonight
Mostly clear, with a low around 11. Wind chill values as low as zero. West wind 10 to 17 mph, with gusts as high as 31 mph.
Tuesday
Sunny, with a high near 22. Wind chill values as low as -5. West wind 9 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 8. West wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 33. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 31.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 18.
Saturday Night
Mostly cloudy, with a low around 6.
Sunday
A chance of snow. Partly sunny, with a high near 19. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
4:46 am EST Jan 19, 2026
Forecast Valid:
5am EST Jan 19, 2026-6pm EST Jan 25, 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