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.

Overcast

60°F

16°C

Humidity 93%
Wind Speed Calm
Barometer 30.05 in (1017.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 21 Aug 3:53 am EDT
Extended Forecast for

Potter NY

  • Today

    Today: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 73. Northeast wind 3 to 6 mph.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 56. Light and variable wind.

    Low: 56 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Calm wind becoming south around 5 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 85. South wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 58. Chance of precipitation is 30%.

    Low: 58 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers after 8am. Partly sunny, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 73. Northeast wind 3 to 6 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 56. Light and variable wind.
Friday
Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. Calm wind becoming south around 5 mph after midnight.
Saturday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 85. South wind 6 to 9 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Sunday Night
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Monday
A chance of showers after 8am. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Potter NY
 42.69°N 77.21°W (Elev. 1053 ft)
Last Update:
1:31 am EDT Aug 21, 2025
Forecast Valid:
4am EDT Aug 21, 2025-6pm EDT Aug 27, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation