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

75°F

24°C

Humidity 54%
Wind Speed Calm
Barometer 30.32 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 10 Aug 10:15 am EDT
Extended Forecast for

Austin PASimilar City Names

  • Today

    Today: Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 56. Light southeast wind.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Clear, with a low around 56. Light southeast wind.
Monday
Sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 60. Calm wind.
Tuesday
Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 58. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Saturday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Austin PASimilar City Names
 41.63°N 78.1°W (Elev. 1739 ft)
Last Update:
7:36 am EDT Aug 10, 2025
Forecast Valid:
10am EDT Aug 10, 2025-6pm EDT Aug 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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