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.

Fair

76°F

24°C

Humidity 39%
Wind Speed S 15 G 29 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 May 1:53 pm EDT
Extended Forecast for

3 Miles SE Stanley NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 78. Southwest wind around 14 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 57. West wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78. West wind around 7 mph becoming northwest in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South wind around 9 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 9 to 13 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 65. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 78. Southwest wind around 14 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 57. West wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 78. West wind around 7 mph becoming northwest in the afternoon.
Sunday Night
A slight chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 56. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 20%.
Monday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 66. South wind around 9 mph.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 9 to 13 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 65. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A chance of thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 58.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Stanley NY
 42.79°N 77.1°W (Elev. 997 ft)
Last Update:
1:57 pm EDT May 16, 2026
Forecast Valid:
2pm EDT May 16, 2026-6pm EDT May 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