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 and Breezy

34°F

1°C

Humidity 37%
Wind Speed W 21 G 32 mph
Barometer 30.19 in (1022.8 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 23 Jan 10:56 am EST
Extended Forecast for

Harrisburg International Airport PA

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

  • Today

    Today: Partly sunny, with a high near 33. West wind 15 to 18 mph, with gusts as high as 30 mph.

    High: 33 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 6. Wind chill values as low as -10. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 6 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 18. Wind chill values as low as -5. North wind 5 to 8 mph.

    High: 18 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. The snow could be heavy at times. Low around 13. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 13 °F

    Slight Chance
    Snow then
    Heavy Snow

  • Sunday

    Sunday: Snow before 4pm, then snow, possibly mixed with freezing rain. The snow could be heavy at times. High near 22. East wind 7 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    High: 22 °F

    Heavy Snow
    then Wintry
    Mix

  • Sunday Night

    Sunday Night: Snow, possibly mixed with freezing rain and sleet before 1am, then a chance of snow and sleet between 1am and 4am, then a chance of snow after 4am. Low around 18. Chance of precipitation is 90%. New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 18 °F

    Wintry Mix

  • Monday

    Monday: A chance of snow before 1pm. Partly sunny, with a high near 26. Chance of precipitation is 30%.

    High: 26 °F

    Chance Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 19.

    High: 19 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 33. West wind 15 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 6. Wind chill values as low as -10. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Saturday
Increasing clouds, with a high near 18. Wind chill values as low as -5. North wind 5 to 8 mph.
Saturday Night
Snow, mainly after 1am. The snow could be heavy at times. Low around 13. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow before 4pm, then snow, possibly mixed with freezing rain. The snow could be heavy at times. High near 22. East wind 7 to 10 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Sunday Night
Snow, possibly mixed with freezing rain and sleet before 1am, then a chance of snow and sleet between 1am and 4am, then a chance of snow after 4am. Low around 18. Chance of precipitation is 90%. New snow and sleet accumulation of 2 to 4 inches possible.
Monday
A chance of snow before 1pm. Partly sunny, with a high near 26. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 2.
Tuesday
Mostly sunny, with a high near 19.
Tuesday Night
Partly cloudy, with a low around 5.
Wednesday
Mostly sunny, with a high near 21.
Wednesday Night
Mostly cloudy, with a low around 4.
Thursday
Partly sunny, with a high near 19.
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:
10:56 am EST Jan 23, 2026
Forecast Valid:
11am EST Jan 23, 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