


Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
39°F
4°C
Humidity | 75% |
Wind Speed | Calm |
Barometer | 30.15 in |
Dewpoint | 32°F (0°C) |
Visibility | 10.00 mi |
Last update | 16 Oct 11:35 pm EDT |
Extended Forecast for
3 Miles E Sinnamahoning PA
Tonight
Low: 33 °F
Areas Frost
Friday
High: 60 °F
Frost then
Mostly SunnyFriday Night
Low: 43 °F
Partly Cloudy
then Slight
Chance
ShowersSaturday
High: 67 °F
Partly Sunny
Saturday Night
Low: 50 °F
Partly Cloudy
then Chance
ShowersSunday
High: 67 °F
Chance
Showers then
ShowersSunday Night
Low: 45 °F
Showers
Monday
High: 58 °F
Showers
LikelyMonday Night
Low: 41 °F
Partly Cloudy
Detailed Forecast
Tonight
Areas of frost after 2am. Otherwise, mostly clear, with a low around 33. Northwest wind 3 to 5 mph.
Friday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 60. Northwest wind 3 to 5 mph.
Friday Night
A slight chance of showers after 2am. Increasing clouds, with a low around 43. Calm wind. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 67. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 50. Southeast wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 67. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 58. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 62. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
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)
8:06 pm EDT Oct 16, 2025
11pm EDT Oct 16, 2025-6pm EDT Oct 23, 2025