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 Chill | 48°F (9°C) |
| Last update | 6 Oct 8:56 am EDT |
Extended Forecast for
Marietta PA
Today

High: 63 °F
Sunny
Tonight

Low: 40 °F
Clear
Wednesday
High: 72 °F
Patchy Fog
then SunnyWednesday Night

Low: 51 °F
Mostly Clear
Thursday

High: 77 °F
Sunny
Thursday Night

Low: 50 °F
Mostly Clear
Friday

High: 71 °F
Sunny
Friday Night

Low: 48 °F
Mostly Clear
Saturday

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%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Marietta PA
40.07°N 76.56°W (Elev. 299 ft)
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



