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

73°F

23°C

Humidity 53%
Wind Speed Calm
Barometer 30.22 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Aug 9:15 pm EDT
Extended Forecast for

8 Miles SSW Galeton PA

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 87 °F

    Patchy Fog
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 57. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.

    Low: 58 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 63. Calm wind.
Saturday
A slight chance of showers and thunderstorms before 3pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 63. Calm wind.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 57. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
A chance of showers after 8am. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Galeton PA
 41.62°N 77.72°W (Elev. 1690 ft)
Last Update:
6:08 pm EDT Aug 15, 2025
Forecast Valid:
9pm EDT Aug 15, 2025-6pm EDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation