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

90°F

32°C

Humidity 38%
Wind Speed S 6 mph
Barometer 30.10 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 12 Aug 2:55 pm EDT
Extended Forecast for

4 Miles SSE Austin PA

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Partly sunny, with a high near 89. Light southwest wind. Chance of precipitation is 20%.

    High: 89 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Patchy fog before 9am. High near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 83 °F

    Chance
    T-storms and
    Patchy Fog
    then T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    T-storms
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Partly sunny, with a high near 89. Light southwest wind. Chance of precipitation is 20%.
Tonight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 66. Calm wind.
Wednesday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. Patchy fog before 9am. High near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms, mainly after 8am. Partly sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 59.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 62.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Austin PA
 41.58°N 78.05°W (Elev. 1640 ft)
Last Update:
2:09 pm EDT Aug 12, 2025
Forecast Valid:
3pm EDT Aug 12, 2025-6pm EDT Aug 19, 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