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.

Mostly Cloudy

32°F

0°C

Humidity 64%
Wind Speed SW 9 G 17 mph
Barometer 30.07 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 12 Jan 7:15 pm EST
Extended Forecast for

2 Miles ENE Brockport PA

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Southwest wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain and snow likely before 1pm, then rain between 1pm and 4pm, then rain and snow after 4pm. High near 39. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 10pm. Low around 16. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Rain/Snow
    then Snow

  • Thursday

    Thursday: A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 22 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of snow showers after 1pm. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.

    High: 25 °F

    Mostly Cloudy
    then Chance
    Snow Showers

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.

    Low: 19 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Southwest wind 9 to 11 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 42. Southwest wind 8 to 10 mph, with gusts as high as 23 mph.
Tuesday Night
A chance of rain, mainly after 1am. Mostly cloudy, with a low around 36. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain and snow likely before 1pm, then rain between 1pm and 4pm, then rain and snow after 4pm. High near 39. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow, becoming all snow after 10pm. Low around 16. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A chance of snow. Mostly cloudy, with a high near 22. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Thursday Night
Mostly cloudy, with a low around 10.
Friday
A chance of snow showers after 1pm. Mostly cloudy, with a high near 25. Chance of precipitation is 30%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Saturday
Snow showers likely, mainly after 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 13. Chance of precipitation is 40%.
Sunday
A chance of snow showers. Partly sunny, with a high near 21. Chance of precipitation is 40%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
M.L.King Day
A chance of snow showers. Mostly cloudy, with a high near 18. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Brockport PA
 41.29°N 78.69°W (Elev. 1585 ft)
Last Update:
7:05 pm EST Jan 12, 2026
Forecast Valid:
7pm EST Jan 12, 2026-6pm EST Jan 19, 2026
 
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