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Hazardous Weather Conditions

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

Saint Marys PA

  • Overnight

    Overnight: Patchy fog. Otherwise, cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 43. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 43 °F

    Patchy Fog
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34. West wind 3 to 6 mph.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 47. West wind around 5 mph becoming calm in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain after 1am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain. High near 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.

    Low: 35 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, cloudy, with a low around 32. Calm wind.
Washington's Birthday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 43. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 34. West wind 3 to 6 mph.
Tuesday
Mostly cloudy, with a high near 47. West wind around 5 mph becoming calm in the afternoon.
Tuesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 36. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 48. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of rain before 1am. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 52.
Thursday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 1pm. Mostly cloudy, with a high near 48. Chance of precipitation is 70%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 33. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys PA
 41.44°N 78.57°W (Elev. 1795 ft)
Last Update:
12:36 am EST Feb 16, 2026
Forecast Valid:
12am EST Feb 16, 2026-6pm EST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation