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.

Fog/Mist

41°F

5°C

Humidity 96%
Wind Speed NW 5 mph
Barometer 30.24 in (1024.2 mb)
Dewpoint 40°F (4°C)
Visibility 1.50 mi
Wind Chill38°F (3°C)
Last update 4 Mar 1:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • This Afternoon

    This Afternoon: A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 46. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 2am. Patchy fog after 2am. Low around 40. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Slight Chance
    Rain then
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain. Patchy fog before 10am. High near 51. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then rain likely. Low around 39. East wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Friday

    Friday: A slight chance of showers. Cloudy, with a high near 50. East wind 5 to 7 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Cloudy, with a low around 41.

    Low: 41 °F

    Cloudy

  • Saturday

    Saturday: A chance of showers after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.

    High: 66 °F

    Cloudy then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 46. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 2am. Patchy fog after 2am. Low around 40. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Patchy fog before 10am. High near 51. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain and possibly a thunderstorm before 1am, then rain likely. Low around 39. East wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers. Cloudy, with a high near 50. East wind 5 to 7 mph. Chance of precipitation is 20%.
Friday Night
Cloudy, with a low around 41.
Saturday
A chance of showers after 1pm. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 72.
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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:
1:26 pm EST Mar 4, 2026
Forecast Valid:
2pm EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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