Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fair

51°F

11°C

Humidity 56%
Wind Speed NW 8 mph
Barometer 30.22 in (1023.6 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 6 Oct 8:56 am EDT
Extended Forecast for

Marietta PA

  • Today

    Today: Sunny, with a high near 63. Northwest wind 5 to 7 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 40. Calm wind.

    Low: 40 °F

    Clear

  • Wednesday

    Wednesday: Patchy fog between 7am and 8am.  Otherwise, sunny, with a high near 72. Light south wind increasing to 5 to 10 mph in the morning.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. South wind 5 to 8 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 77. West wind 5 to 11 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 63. Northwest wind 5 to 7 mph.
Tonight
Clear, with a low around 40. Calm wind.
Wednesday
Patchy fog between 7am and 8am. Otherwise, sunny, with a high near 72. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 51. South wind 5 to 8 mph.
Thursday
Sunny, with a high near 77. West wind 5 to 11 mph.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta PA
 40.07°N 76.56°W (Elev. 299 ft)
8:31 am EDT Oct 6, 2026
9am EDT Oct 6, 2026-6pm EDT Oct 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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