Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
A Few Clouds
62°F
17°C
| Humidity | 60% |
| Wind Speed | Vrbl 5 mph |
| Barometer | 30.21 in (1022.9 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 15 Oct 11:56 am EDT |
Extended Forecast for
Marietta PA
This Afternoon

High: 65 °F
Mostly Sunny
Tonight
Low: 58 °F
Slight Chance
Showers then
Chance
ShowersFriday
High: 80 °F
Chance Rain
then Showers
LikelyFriday Night
Low: 46 °F
Showers
Likely then
Slight Chance
ShowersSaturday

High: 53 °F
Mostly Sunny
and BreezySaturday Night

Low: 34 °F
Mostly Clear
then Areas
FrostSunday

High: 57 °F
Frost then
SunnySunday Night

Low: 38 °F
Mostly Clear
Monday

High: 62 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 65. East wind 3 to 5 mph.
Tonight
A chance of showers before 2am, then a chance of rain and thunderstorms between 2am and 3am, then a chance of rain after 3am. Cloudy, with a low around 58. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of rain and thunderstorms before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 80. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 8pm, then a chance of showers. Mostly cloudy, with a low around 46. West wind 15 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 53. Breezy, with a north wind 18 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 65.
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)
12:31 pm EDT Oct 15, 2026
12pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026


