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

61°F

16°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 30.12 in
Dewpoint 59°F (15°C)
Visibility 0.50 mi
Last update 15 Jun 5:15 am EDT
Extended Forecast for

Force PA

  • Overnight

    Overnight: Scattered showers. Patchy fog. Otherwise, cloudy, with a low around 60. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Scattered
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Scattered showers, mainly between 2pm and 5pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 69. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Scattered
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Isolated showers. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 20%.

    Low: 60 °F

    Isolated
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 72. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.

    Low: 61 °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 78. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely 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%.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Mostly Cloudy
    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 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Overnight
Scattered showers. Patchy fog. Otherwise, cloudy, with a low around 60. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Scattered showers, mainly between 2pm and 5pm. Patchy fog before 8am. Otherwise, cloudy, with a high near 69. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Isolated showers. Patchy fog between 10pm and midnight. Otherwise, mostly cloudy, with a low around 60. Calm wind. Chance of precipitation is 20%.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 72. Southeast wind 3 to 6 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 61. Calm wind. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. 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 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%.
Wednesday
Showers likely after 2pm. Mostly cloudy, with a high near 85. 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 67. Chance of precipitation is 60%.
Juneteenth
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Force PA
 41.25°N 78.52°W (Elev. 1302 ft)
Last Update:
4:12 am EDT Jun 15, 2025
Forecast Valid:
5am EDT Jun 15, 2025-6pm EDT Jun 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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