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

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fog/Mist

31°F

-1°C

Humidity 85%
Wind Speed W 3 mph
Barometer 30.00 in (1016.8 mb)
Dewpoint 27°F (-3°C)
Visibility 6.00 mi
Last update 16 Feb 5:53 am EST
Extended Forecast for

Mays Mills NY

  • Washington's Birthday

    Washington's Birthday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 42. South wind around 6 mph.

    High: 42 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A chance of showers between 10pm and 2am. Mostly cloudy, with a low around 34. South wind 6 to 8 mph. Chance of precipitation is 40%.

    Low: 34 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. West wind around 6 mph becoming calm in the afternoon.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 31. Calm wind becoming southeast around 6 mph after midnight.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain. High near 42. Southeast wind 6 to 9 mph. Chance of precipitation is 90%.

    High: 42 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Rain and snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

    High: 39 °F

    Rain/Snow
    Likely

Detailed Forecast

Washington's Birthday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 42. South wind around 6 mph.
Tonight
A chance of showers between 10pm and 2am. Mostly cloudy, with a low around 34. South wind 6 to 8 mph. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 43. West wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Increasing clouds, with a low around 31. Calm wind becoming southeast around 6 mph after midnight.
Wednesday
Rain. High near 42. Southeast wind 6 to 9 mph. Chance of precipitation is 90%.
Wednesday Night
A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 38.
Thursday Night
A chance of snow after 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Friday
Rain and snow likely. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.
Friday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 24.
Sunday
A chance of snow. Mostly cloudy, with a high near 32. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mays Mills NY
 42.67°N 77°W (Elev. 797 ft)
Last Update:
4:57 am EST Feb 16, 2026
Forecast Valid:
6am EST Feb 16, 2026-6pm EST Feb 22, 2026
 
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