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 21 mph, with gusts as high as 34 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 11am, then a chance of snow showers between 11am and 2pm. Temperature falling to around 39 by 11am. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F⇓

    Rain/Snow and
    Breezy then
    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 22 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 50. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 50 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. West wind around 16 mph, with gusts as high as 24 mph.

    Low: 35 °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 35.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly 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 21 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain and snow showers before 11am, then a chance of snow showers between 11am and 2pm. Temperature falling to around 39 by 11am. Breezy, with a northwest wind 17 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 28. Northwest wind 8 to 13 mph becoming light west after midnight. Winds could gust as high as 22 mph.
Friday
Increasing clouds, with a high near 50. Breezy, with a south wind 5 to 15 mph increasing to 15 to 25 mph in the afternoon. Winds could gust as high as 44 mph.
Friday Night
Partly cloudy, with a low around 35. West wind around 16 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly cloudy, with a low around 35.
Sunday
Mostly 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 64. Breezy. Chance of precipitation is 90%.
Monday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 36.
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
 40.22°N 76.76°W (Elev. 446 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