Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
3 Miles E Sinnamahoning PA
Overnight

Low: 42 °F
Areas Drizzle
and Areas FogSaturday
High: 64 °F
Severe
Thunderstorms
and Areas FogSaturday Night
Low: 47 °F
Severe
Thunderstorms
then Showers
LikelySunday

High: 56 °F
Decreasing
CloudsSunday Night

Low: 40 °F
Mostly Clear
Monday

High: 65 °F
Sunny
Monday Night

Low: 46 °F
Mostly Clear
Tuesday

High: 68 °F
Mostly Sunny
Tuesday Night
Low: 54 °F
Chance
Showers then
Showers
Likely
Detailed Forecast
Overnight
Areas of drizzle and fog. Cloudy, with a low around 42. South wind around 8 mph.
Saturday
A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Areas of fog before 1pm. Otherwise, cloudy, with a high near 64. South wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before 3am, then a chance of showers. Some of the storms could be severe. Low around 47. Southwest wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 56. West wind 8 to 10 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 40. West wind around 6 mph.
Monday
Sunny, with a high near 65.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Wednesday
Showers. High near 68. Chance of precipitation is 80%.
Wednesday Night
Rain. Low around 33. Chance of precipitation is 80%.
Thursday
A chance of snow. Mostly cloudy, with a high near 43. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles E Sinnamahoning PA
41.38°N 78°W (Elev. 1988 ft)
41.38°N 78°W (Elev. 1988 ft)
1:33 am EST Mar 7, 2026
2am EST Mar 7, 2026-6pm EDT Mar 13, 2026


