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

59°F

15°C

Humidity 94%
Wind Speed Calm
Barometer 30.24 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Aug 6:35 am EDT
Extended Forecast for

3 Miles SE Driftwood PA

  • Today

    Today: Partly sunny and hot, with a high near 94. Light and variable wind.

    High: 94 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 62. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 86. Calm wind.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.

    Low: 63 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

Detailed Forecast

Today
Partly sunny and hot, with a high near 94. Light and variable wind.
Tonight
Partly cloudy, with a low around 66. Calm wind.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 92. Calm wind becoming west around 5 mph in the afternoon. 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. Mostly cloudy, with a low around 62. Light northeast wind. 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 86. Calm wind.
Monday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Tuesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Driftwood PA
 41.32°N 78.09°W (Elev. 801 ft)
Last Update:
6:25 am EDT Aug 16, 2025
Forecast Valid:
6am EDT Aug 16, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation