National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St Marys Municipal Airport (KOYM)

Lat: 41.41°NLon: 78.5°WElev: 1934ft.

Overcast

61°F

16°C

Humidity 52%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 25 Apr 5:35 am EDT
Extended Forecast for

2 Miles E Grandview Park PA

  • Today

    Today: Showers, mainly after 2pm. High near 71. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 56. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 56 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 59. Northwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Northwest wind 9 to 11 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 61. Northwest wind around 10 mph, with gusts as high as 21 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 3am. Otherwise, mostly clear, with a low around 37.

    Low: 37 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Showers, mainly after 2pm. High near 71. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers and possibly a thunderstorm. Low around 56. South wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 59. Northwest wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Mostly cloudy, with a low around 37. Northwest wind 9 to 11 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 61. Northwest wind around 10 mph, with gusts as high as 21 mph.
Sunday Night
Areas of frost after 3am. Otherwise, mostly clear, with a low around 37.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 48.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Wednesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Grandview Park PA
 41.41°N 78.49°W (Elev. 1752 ft)
Last Update:
4:32 am EDT Apr 25, 2025
Forecast Valid:
5am EDT Apr 25, 2025-6pm EDT May 1, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation