Current conditions at
St Marys Municipal Airport (KOYM)
Lat: 41.41°NLon: 78.5°WElev: 1934ft.
Overcast
64°F
18°C
| Humidity | 83% |
| Wind Speed | Calm |
| Barometer | 30.25 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 16 Aug 1:15 am EDT |
Extended Forecast for
3 Miles SSE De Young PA
Overnight
Low: 59 °F
Patchy Fog
Saturday
High: 88 °F
Patchy Fog
then Mostly
SunnySaturday Night
Low: 61 °F
Mostly Clear
Sunday
High: 84 °F
Showers
LikelySunday Night
Low: 57 °F
Showers
Likely then
Mostly CloudyMonday
High: 81 °F
Mostly Sunny
Monday Night
Low: 59 °F
Partly Cloudy
Tuesday
High: 80 °F
Showers
LikelyTuesday Night
Low: 61 °F
Showers
Likely
Detailed Forecast
Overnight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 59. Calm wind.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 61. Calm wind.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 57. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Wednesday Night
A chance of thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 81.
Additional Forecasts and Information
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Point Forecast:
3 Miles SSE De Young PA
41.53°N 78.88°W (Elev. 1883 ft)
41.53°N 78.88°W (Elev. 1883 ft)
1:18 am EDT Aug 16, 2025
1am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
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