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

37°F

3°C

Humidity 96%
Wind Speed Calm
Barometer 30.26 in (1024.9 mb)
Dewpoint 36°F (2°C)
Visibility 2.00 mi
Last update 4 Mar 7:56 am EST
Extended Forecast for

Harrisburg International Airport PA

  • Today

    Today: A chance of rain, mainly after 9am. Areas of fog before 1pm. Otherwise, cloudy, with a high near 47. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    and Areas Fog

  • Tonight

    Tonight: Rain, mainly after 2am. Patchy fog. Low around 43. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Chance Rain
    and Patchy
    Fog then Rain
    and Areas Fog

  • Thursday

    Thursday: Rain. Patchy fog between 8am and 10am. High near 54. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 54 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm. Low around 43. East wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: A slight chance of rain. Cloudy, with a high near 53. East wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain likely after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Mostly Cloudy
    then Rain
    Likely

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.

    Low: 49 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain, mainly after 9am. Areas of fog before 1pm. Otherwise, cloudy, with a high near 47. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly after 2am. Patchy fog. Low around 43. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Patchy fog between 8am and 10am. High near 54. Calm wind becoming east around 5 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. Low around 43. East wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of rain. Cloudy, with a high near 53. East wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
Rain likely after 1pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 45.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
7:26 am EST Mar 4, 2026
Forecast Valid:
8am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
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Additional Resources

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Chance of Precipitation