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.

Overcast

27°F

-3°C

Humidity 74%
Wind Speed W 14 G 23 mph
Barometer 30.16 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 12 Jan 3:15 am EST
Extended Forecast for

6 Miles SSE James City PA

  • Overnight

    Overnight: Cloudy, with a low around 20. West wind around 11 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 33. West wind 10 to 13 mph, with gusts as high as 31 mph.

    High: 33 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Southwest wind around 8 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 39. South wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 39 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 33. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain likely before 1pm, then rain and snow. High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Rain Likely
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 10pm. Low around 18. Chance of precipitation is 80%.

    Low: 18 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 23. Chance of precipitation is 50%.

    High: 23 °F

    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.

    Low: 11 °F

    Chance Snow

Detailed Forecast

Overnight
Cloudy, with a low around 20. West wind around 11 mph, with gusts as high as 25 mph.
Monday
Mostly cloudy, with a high near 33. West wind 10 to 13 mph, with gusts as high as 31 mph.
Monday Night
Partly cloudy, with a low around 25. Southwest wind around 8 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 39. South wind 6 to 10 mph, with gusts as high as 23 mph.
Tuesday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 33. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain likely before 1pm, then rain and snow. High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow, becoming all snow after 10pm. Low around 18. Chance of precipitation is 80%.
Thursday
A chance of snow. Mostly cloudy, with a high near 23. Chance of precipitation is 50%.
Thursday Night
A chance of snow before 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 24.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 16. Chance of precipitation is 30%.
Saturday
Snow showers likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 12. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Partly sunny, with a high near 20. Chance of precipitation is 40%.
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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:
3:12 am EST Jan 12, 2026
Forecast Valid:
3am EST Jan 12, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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