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

43°F

6°C

Humidity 35%
Wind Speed W 16 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Jan 3:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

Winter Storm Watch January 24, 10:00pm until January 26, 01:00pm
Cold Weather Advisory January 23, 10:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 23. West wind 5 to 9 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 5 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 17. Wind chill values as low as -10. North wind 6 to 10 mph.

    High: 17 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. The snow could be heavy at times. Low around 11. Calm wind becoming east 5 to 7 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 11 °F

    Chance Snow
    then Heavy
    Snow

  • Sunday

    Sunday: Snow. The snow could be heavy at times. High near 18. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 18 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 1am. Low around 15. Chance of precipitation is 80%.

    Low: 15 °F

    Snow

  • Monday

    Monday: A chance of snow before 1pm. Partly sunny, with a high near 22. Chance of precipitation is 30%.

    High: 22 °F

    Chance Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. West wind 5 to 9 mph.
Friday
Mostly sunny, with a high near 34. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Partly cloudy, with a low around 5. Wind chill values as low as -10. Northwest wind 11 to 17 mph, with gusts as high as 26 mph.
Saturday
Partly sunny, with a high near 17. Wind chill values as low as -10. North wind 6 to 10 mph.
Saturday Night
Snow, mainly after 1am. The snow could be heavy at times. Low around 11. Calm wind becoming east 5 to 7 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow. The snow could be heavy at times. High near 18. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Sunday Night
Snow, mainly before 1am. Low around 15. Chance of precipitation is 80%.
Monday
A chance of snow before 1pm. Partly sunny, with a high near 22. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 18.
Tuesday Night
Partly cloudy, with a low around 4.
Wednesday
Partly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 7.
Thursday
Partly sunny, with a high near 20.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.2°N 76.77°W (Elev. 299 ft)
Last Update:
3:04 pm EST Jan 22, 2026
Forecast Valid:
4pm EST Jan 22, 2026-6pm EST Jan 29, 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