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

3 Miles WNW Weedville PA

  • This Afternoon

    This Afternoon: Sunny, with a high near 63. Southwest wind around 10 mph, with gusts as high as 22 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 47. Southwest wind around 6 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 56. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could be severe. High near 68. South wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers then
    Severe
    Thunderstorms

  • Wednesday Night

    Wednesday Night: Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 30. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Severe
    Thunderstorms
    then
    Rain/Snow

  • Thursday

    Thursday: Snow showers likely before 8am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.

    High: 37 °F

    Snow Showers
    Likely then
    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow showers before 2pm, then rain and snow showers likely. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.

    High: 45 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 63. Southwest wind around 10 mph, with gusts as high as 22 mph.
Tonight
Increasing clouds, with a low around 47. Southwest wind around 6 mph.
Tuesday
Partly sunny, with a high near 65. Southwest wind 6 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 56. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms before 11am, then showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could be severe. High near 68. South wind 8 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers before 5am, then rain and snow showers likely. Some thunder is also possible. Low around 30. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday
Snow showers likely before 8am. Mostly cloudy, with a high near 37. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 24.
Friday
A chance of snow showers before 2pm, then rain and snow showers likely. Mostly cloudy, with a high near 45. Chance of precipitation is 60%.
Friday Night
Rain and snow showers likely, mainly before 8pm. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Saturday
Partly sunny, with a high near 41.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Sunday
Rain and snow showers likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Weedville PA
 41.28°N 78.57°W (Elev. 1821 ft)
Last Update:
12:21 pm EDT Mar 9, 2026
Forecast Valid:
12pm EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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