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

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

6 Miles SSE James City PA

  • This Afternoon

    This Afternoon: Patchy fog before 1pm. Otherwise, partly sunny, with a high near 52. Calm wind.

    High: 52 °F

    Patchy Fog

  • Tonight

    Tonight: Rain likely, mainly after 3am. Areas of fog before 11pm, then areas of fog after midnight. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Areas Fog
    then Rain
    Likely and
    Areas Fog

  • Thursday

    Thursday: Rain. Widespread dense fog, mainly before 9am. High near 53. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 53 °F

    Rain and
    Dense Fog

  • Thursday Night

    Thursday Night: Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 47. East wind around 5 mph becoming south after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Rain

  • Friday

    Friday: A slight chance of showers before 1pm. Mostly cloudy, with a high near 62. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 62 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 68. Chance of precipitation is 100%.

    High: 68 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Patchy fog before 1pm. Otherwise, partly sunny, with a high near 52. Calm wind.
Tonight
Rain likely, mainly after 3am. Areas of fog before 11pm, then areas of fog after midnight. Otherwise, mostly cloudy, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Widespread dense fog, mainly before 9am. High near 53. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain and possibly a thunderstorm before 1am, then a chance of rain. Low around 47. East wind around 5 mph becoming south after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers before 1pm. Mostly cloudy, with a high near 62. Southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 68. Chance of precipitation is 100%.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE James City PA
 41.54°N 78.79°W (Elev. 1699 ft)
Last Update:
12:09 pm EST Mar 4, 2026
Forecast Valid:
12pm EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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