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.

Fair

35°F

2°C

Humidity 40%
Wind Speed NW 8 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 12 Mar 11:56 pm EDT
Extended Forecast for

Harrisburg International Airport PA

  • Overnight

    Overnight: Mostly clear, with a low around 28. West wind around 5 mph becoming calm.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 49. Breezy, with a south wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 49 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. West wind around 14 mph, with gusts as high as 29 mph.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50. West wind around 14 mph, with gusts as high as 25 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 48. Chance of precipitation is 90%.

    Low: 48 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 65. Breezy. Chance of precipitation is 100%.

    High: 65 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: A chance of showers before 2am. Mostly cloudy, with a low around 27. Breezy. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 28. West wind around 5 mph becoming calm.
Friday
Increasing clouds, with a high near 49. Breezy, with a south wind 6 to 11 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.
Friday Night
Mostly clear, with a low around 35. West wind around 14 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 50. West wind around 14 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 34. Calm wind.
Sunday
Mostly cloudy, with a high near 54.
Sunday Night
Rain, mainly after 2am. Low around 48. Chance of precipitation is 90%.
Monday
Rain. High near 65. Breezy. Chance of precipitation is 100%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 27. Breezy. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 36. Breezy.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
8:41 pm EDT Mar 12, 2026
Forecast Valid:
12am EDT Mar 13, 2026-6pm EDT Mar 19, 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