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

43°F

6°C

Humidity 66%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 16 Oct 10:35 pm EDT
Extended Forecast for

6 Miles SSE Coudersport PA

  • Tonight

    Tonight: Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 30. North wind 3 to 6 mph.

    Low: 30 °F

    Frost

  • Friday

    Friday: Widespread frost before 10am. Otherwise, mostly sunny, with a high near 57. Northwest wind 3 to 6 mph.

    High: 57 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of showers after 2am. Increasing clouds, with a low around 41. Calm wind. Chance of precipitation is 20%.

    Low: 41 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Partly cloudy, with a low around 47. South wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 64. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 64 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers. Low around 43. Chance of precipitation is 90%.

    Low: 43 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Partly sunny, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 30. North wind 3 to 6 mph.
Friday
Widespread frost before 10am. Otherwise, mostly sunny, with a high near 57. Northwest wind 3 to 6 mph.
Friday Night
A slight chance of showers after 2am. Increasing clouds, with a low around 41. Calm wind. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers after 2am. Partly cloudy, with a low around 47. South wind around 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 64. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers. Low around 43. Chance of precipitation is 90%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 54. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 50%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 49. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSE Coudersport PA
 41.71°N 77.97°W (Elev. 2093 ft)
Last Update:
8:06 pm EDT Oct 16, 2025
Forecast Valid:
10pm EDT Oct 16, 2025-6pm EDT Oct 23, 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