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

52°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 30.09 in
Dewpoint 52°F (11°C)
Visibility 7.00 mi
Last update 29 May 4:15 am EDT
Extended Forecast for

Emporium PA

  • Overnight

    Overnight: A chance of showers. Patchy fog. Otherwise, cloudy, with a low around 53. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers after 3pm. Patchy dense fog before 8am. Otherwise, mostly cloudy, with a high near 74. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers and
    Patchy Dense
    Fog

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of showers after 3pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 73. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 73 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers. Patchy fog. Otherwise, cloudy, with a low around 53. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers before 8am, then a chance of showers after 3pm. Patchy dense fog before 8am. Otherwise, mostly cloudy, with a high near 74. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 52. Calm wind.
Friday
A slight chance of showers after 3pm. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 73. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 53. Calm wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Emporium PA
 41.51°N 78.24°W (Elev. 1099 ft)
Last Update:
3:11 am EDT May 29, 2025
Forecast Valid:
4am EDT May 29, 2025-6pm EDT Jun 4, 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