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.

A Few Clouds

70°F

21°C

Humidity 44%
Wind Speed W 7 mph
Barometer 29.84 in (1010.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 20 Jun 3:53 pm EDT
Extended Forecast for

Glen Grove NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 72. West wind around 9 mph, with gusts as high as 22 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Light southwest wind.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 73 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 54. Calm wind.

    Low: 54 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers, mainly after 7am. High near 67. Southeast wind 3 to 6 mph. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West wind around 9 mph, with gusts as high as 22 mph.
Tonight
Partly cloudy, with a low around 53. Light southwest wind.
Sunday
A slight chance of showers before noon, then a slight chance of showers and thunderstorms between noon and 1pm. Mostly sunny, with a high near 73. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Increasing clouds, with a low around 54. Calm wind.
Monday
Showers, mainly after 7am. High near 67. Southeast wind 3 to 6 mph. Chance of precipitation is 90%.
Monday Night
A chance of showers, mainly before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 77.
Wednesday Night
A chance of showers after 2am. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glen Grove NY
 42.45°N 77.19°W (Elev. 791 ft)
Last Update:
2:44 pm EDT Jun 20, 2026
Forecast Valid:
4pm EDT Jun 20, 2026-6pm EDT Jun 26, 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