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

  • Overnight

    Overnight: A slight chance of showers after 4am. Areas of fog. Otherwise, cloudy, with a low around 47. South wind around 8 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers and
    Areas Fog

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe. Areas of fog before 1pm. High near 68. Southwest wind 7 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Severe
    Thunderstorms
    and Areas Fog

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before midnight, then a chance of showers. Some of the storms could be severe. Low around 46. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 55. West wind around 11 mph, with gusts as high as 23 mph.

    High: 55 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40. Southwest wind around 8 mph.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
A slight chance of showers after 4am. Areas of fog. Otherwise, cloudy, with a low around 47. South wind around 8 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. Some of the storms could be severe. Areas of fog before 1pm. High near 68. Southwest wind 7 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm before midnight, then a chance of showers. Some of the storms could be severe. Low around 46. Southwest wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 55. West wind around 11 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 40. Southwest wind around 8 mph.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Wednesday
Showers. High near 66. Chance of precipitation is 90%.
Wednesday Night
Rain and snow likely. Cloudy, with a low around 31. Chance of precipitation is 70%.
Thursday
A chance of snow. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 24.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
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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:
1:33 am EST Mar 7, 2026
Forecast Valid:
3am EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation