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

73°F

23°C

Humidity 71%
Wind Speed Calm
Barometer 29.92 in (1012.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Aug 7:53 pm EDT
Extended Forecast for

Grove Springs NY

  • Tonight

    Tonight: A slight chance of showers before 10pm. Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, mainly between noon and 2pm. Areas of fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 75. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers and
    Areas Fog

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Calm wind.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Light and variable wind.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Slight Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 60. Chance of precipitation is 80%.

    Low: 60 °F

    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers after 8am. Partly sunny, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 10pm. Patchy fog between 4am and 5am. Otherwise, partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.
Thursday
A chance of showers, mainly between noon and 2pm. Areas of fog between 7am and 8am. Otherwise, mostly cloudy, with a high near 75. Light and variable wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly clear, with a low around 54. Calm wind.
Friday
Sunny, with a high near 79. Light and variable wind.
Friday Night
Mostly clear, with a low around 58. Calm wind.
Saturday
A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 60. Chance of precipitation is 80%.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A chance of showers. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grove Springs NY
 42.47°N 77.16°W (Elev. 965 ft)
Last Update:
7:21 pm EDT Aug 19, 2026
Forecast Valid:
8pm EDT Aug 19, 2026-6pm EDT Aug 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