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

  • This Afternoon

    This Afternoon: A chance of snow showers, mainly after 5pm. Mostly cloudy, with a high near 38. West wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. West wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 16 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33. Calm wind becoming west around 5 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 45. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 45 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of snow showers, mainly after 5pm. Mostly cloudy, with a high near 38. West wind 11 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 16. West wind 6 to 9 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 33. Calm wind becoming west around 5 mph.
Thursday Night
Partly cloudy, with a low around 19. Calm wind.
Friday
Sunny, with a high near 45. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Partly sunny, with a high near 45.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 31.
Sunday Night
A chance of snow after 1am. Mostly cloudy, with a low around 13. Chance of precipitation is 30%.
Monday
A chance of snow. Partly sunny, with a high near 28. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
A chance of snow. Mostly cloudy, with a high near 36. Chance of precipitation is 40%.
Basemap Options
Click map to change the forecast location
Loading map...
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:
1:18 pm EST Feb 25, 2026
Forecast Valid:
2pm EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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