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.

Light Rain and Breezy

55°F

13°C

Humidity 77%
Wind Speed NW 23 G 36 mph
Barometer 29.63 in (1003.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 12 Mar 4:56 am EDT
Extended Forecast for

Harrisburg International Airport PA

  • Overnight

    Overnight: Showers likely. Cloudy, with a steady temperature around 53. Breezy, with a northwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: Rain and snow showers before 1pm, then a slight chance of snow showers between 1pm and 2pm. Temperature falling to around 39 by 2pm. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 46 °F⇓

    Rain/Snow and
    Breezy then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 49. Windy, with a south wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 49 °F

    Increasing
    Clouds and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. West wind around 18 mph, with gusts as high as 24 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 53.

    High: 53 °F

    Cloudy

  • Sunday Night

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

    Low: 48 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
Showers likely. Cloudy, with a steady temperature around 53. Breezy, with a northwest wind around 22 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain and snow showers before 1pm, then a slight chance of snow showers between 1pm and 2pm. Temperature falling to around 39 by 2pm. Breezy, with a northwest wind 18 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 27. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 22 mph.
Friday
Increasing clouds, with a high near 49. Windy, with a south wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 45 mph.
Friday Night
Partly cloudy, with a low around 34. West wind around 18 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 53.
Sunday Night
Showers likely, mainly after 2am. Cloudy, with a low around 48. Chance of precipitation is 70%.
Monday
Showers. High near 63. Breezy. Chance of precipitation is 90%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.2°N 76.77°W (Elev. 299 ft)
Last Update:
3:06 am EDT Mar 12, 2026
Forecast Valid:
5am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation