National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
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

6 Miles SSE James City PA

  • Tonight

    Tonight: A chance of showers, mainly before 3am. Mostly cloudy, with a low around 42. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 54. West wind 7 to 10 mph, with gusts as high as 23 mph.

    High: 54 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Southwest wind around 6 mph.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. Southwest wind 3 to 5 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: Showers. High near 69. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 28. Chance of precipitation is 90%.

    Low: 28 °F

    Showers

Detailed Forecast

Tonight
A chance of showers, mainly before 3am. Mostly cloudy, with a low around 42. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 54. West wind 7 to 10 mph, with gusts as high as 23 mph.
Sunday Night
Clear, with a low around 39. Southwest wind around 6 mph.
Monday
Sunny, with a high near 63. Southwest wind 6 to 10 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 45. Southwest wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 67.
Tuesday Night
Showers likely after 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Wednesday
Showers. High near 69. Chance of precipitation is 80%.
Wednesday Night
Showers. Low around 28. Chance of precipitation is 90%.
Thursday
A chance of rain and snow showers before 1pm. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
A chance of rain and snow showers. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE James City PA
 41.54°N 78.79°W (Elev. 1699 ft)
Last Update:
7:05 pm EST Mar 7, 2026
Forecast Valid:
11pm EST Mar 7, 2026-6pm EDT Mar 14, 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