Hazardous Weather Conditions
Current conditions at
Harrisburg, Harrisburg International Airport (KMDT)
Lat: 40.19°NLon: 76.76°WElev: 312ft.
Mostly Cloudy
50°F
10°C
| Humidity | 46% |
| Wind Speed | NW 13 mph |
| Barometer | 29.89 in (1012.6 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 25 Dec 12:56 pm EST |
Extended Forecast for
Marietta PA
Winter Storm Watch December 26, 07:00am until December 27, 07:00am
Christmas Day
High: 47 °F
Partly Sunny
Tonight
Low: 23 °F
Partly Cloudy
Friday
High: 33 °F
Cloudy then
Wintry MixFriday Night
Low: 30 °F
Wintry Mix
Saturday
High: 38 °F
Mostly Cloudy
Saturday Night
Low: 25 °F
Mostly Cloudy
Sunday
High: 41 °F
Cloudy then
Chance
ShowersSunday Night
Low: 36 °F
Showers
LikelyMonday
High: 53 °F
Showers
Likely
Detailed Forecast
Christmas Day
Partly sunny, with a high near 47. North wind around 11 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 23. North wind 5 to 9 mph.
Friday
A chance of snow showers and sleet before 3pm, then freezing rain and sleet. High near 33. Light and variable wind becoming southeast 5 to 10 mph in the morning. Chance of precipitation is 80%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Friday Night
Freezing rain, possibly mixed with sleet before 1am, then a chance of freezing rain. Low around 30. Southeast wind 5 to 9 mph becoming northeast after midnight. Chance of precipitation is 90%. New sleet accumulation of less than a half inch possible.
Saturday
Mostly cloudy, with a high near 38. North wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 25.
Sunday
A chance of showers after 1pm. Cloudy, with a high near 41. Chance of precipitation is 50%.
Sunday Night
Showers likely. Cloudy, with a low around 36. Chance of precipitation is 70%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 33. Breezy.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 37.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marietta PA
40.07°N 76.56°W (Elev. 299 ft)
40.07°N 76.56°W (Elev. 299 ft)
1:05 pm EST Dec 25, 2025
1pm EST Dec 25, 2025-6pm EST Dec 31, 2025
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