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Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
37°F
3°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.12 in |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 8 Jan 4:15 am EST |
Extended Forecast for
4 Miles NW Sinnamahoning PA
Today
High: 44 °F
Mostly Cloudy
Tonight
Low: 36 °F
Mostly Cloudy
Friday
High: 51 °F
Showers
Friday Night
Low: 37 °F
Chance
ShowersSaturday
High: 43 °F
Showers
Saturday Night
Low: 31 °F
Showers
Likely then
Rain/Snow
LikelySunday
High: 35 °F
Partly Sunny
then Chance
Snow ShowersSunday Night
Low: 23 °F
Mostly Cloudy
Monday
High: 33 °F
Mostly Sunny
Detailed Forecast
Today
Mostly cloudy, with a high near 44. Light and variable wind.
Tonight
Mostly cloudy, with a low around 36. Southeast wind 6 to 10 mph, with gusts as high as 24 mph.
Friday
Showers, mainly after 10am. High near 51. South wind 8 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 37. Southwest wind 5 to 8 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers. High near 43. Southeast wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain showers likely before 1am, then a slight chance of rain and snow showers between 1am and 4am, then a slight chance of snow showers after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
A chance of snow showers after 1pm. Partly sunny, with a high near 35. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 23.
Monday
Mostly sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A chance of snow showers. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles NW Sinnamahoning PA
41.44°N 78.1°W (Elev. 1818 ft)
41.44°N 78.1°W (Elev. 1818 ft)
1:05 am EST Jan 8, 2026
4am EST Jan 8, 2026-6pm EST Jan 14, 2026
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