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

63°F

17°C

Humidity 94%
Wind Speed E 5 mph
Barometer 30.16 in
Dewpoint 61°F (16°C)
Visibility 3.00 mi
Last update 15 Jun 10:15 am EDT
Extended Forecast for

3 Miles S Kersey PA

  • Today

    Today: Isolated showers before 11am, then scattered showers after 2pm. Cloudy, with a high near 66. East wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Scattered
    Showers

  • Tonight

    Tonight: Isolated showers. Patchy fog between 9pm and midnight. Otherwise, mostly cloudy, with a low around 58. East wind around 6 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Isolated
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 68. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 59. Southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Juneteenth

    Juneteenth: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

Detailed Forecast

Today
Isolated showers before 11am, then scattered showers after 2pm. Cloudy, with a high near 66. East wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Isolated showers. Patchy fog between 9pm and midnight. Otherwise, mostly cloudy, with a low around 58. East wind around 6 mph. Chance of precipitation is 20%.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 68. Southeast wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 59. Southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 74. South wind around 7 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Juneteenth
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 8pm. Low around 60. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Kersey PA
 41.28°N 78.6°W (Elev. 2067 ft)
Last Update:
9:48 am EDT Jun 15, 2025
Forecast Valid:
10am EDT Jun 15, 2025-6pm EDT Jun 21, 2025
 
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