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

71°F

22°C

Humidity 53%
Wind Speed Vrbl 3 mph
Barometer 30.33 in (1026.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 1 Sep 11:53 am EDT
Extended Forecast for

Williams Corner NY

  • Labor Day

    Labor Day: Mostly sunny, with a high near 76. East wind around 6 mph.

    High: 76 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Light and variable wind.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79. South wind around 6 mph.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

Labor Day
Mostly sunny, with a high near 76. East wind around 6 mph.
Tonight
Partly cloudy, with a low around 56. Light and variable wind.
Tuesday
Mostly sunny, with a high near 77. Light and variable wind.
Tuesday Night
Partly cloudy, with a low around 57. Calm wind.
Wednesday
Sunny, with a high near 79. South wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 55.
Saturday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Williams Corner NY
 42.72°N 77.26°W (Elev. 797 ft)
Last Update:
10:59 am EDT Sep 1, 2025
Forecast Valid:
12pm EDT Sep 1, 2025-6pm EDT Sep 7, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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