


Hazardous Weather Conditions
Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Partly Cloudy
73°F
23°C
Humidity | 81% |
Wind Speed | N 3 mph |
Barometer | 30.08 in (1018.5 mb) |
Dewpoint | 67°F (19°C) |
Visibility | 10.00 mi |
Last update | 15 Aug 6:56 am EDT |
Extended Forecast for
Marietta PA
Today
High: 88 °F
Patchy Fog
then Heavy
RainTonight
Low: 73 °F
Heavy Rain
then Mostly
CloudySaturday
High: 86 °F
Partly Sunny
then Slight
Chance
T-stormsSaturday Night
Low: 73 °F
Mostly Clear
Sunday
High: 89 °F
Mostly Sunny
then Chance
T-stormsSunday Night
Low: 71 °F
Chance
T-storms then
Slight Chance
ShowersMonday
High: 82 °F
Mostly Sunny
Monday Night
Low: 67 °F
Partly Cloudy
Tuesday
High: 80 °F
Partly Sunny
Detailed Forecast
Today
Scattered showers and thunderstorms, mainly after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 88. Light and variable wind becoming east around 6 mph in the morning. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 9pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 73. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 73. South wind 3 to 5 mph.
Sunday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. South wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Partly sunny, with a high near 80.
Tuesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Marietta PA
40.04°N 76.56°W (Elev. 299 ft)
40.04°N 76.56°W (Elev. 299 ft)
6:59 am EDT Aug 15, 2025
7am EDT Aug 15, 2025-6pm EDT Aug 21, 2025