National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Mostly Cloudy

83°F

28°C

Humidity 70%
Wind Speed Vrbl 5 mph
Barometer 29.97 in (1014.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 1 Sep 3:53 pm EDT
Extended Forecast for

Potter NY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 80. Northwest wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 9am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. South wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 68. Southwest wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers
    Likely then
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 79. Southwest wind around 9 mph. Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Friday Night

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

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 80. Northwest wind around 8 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, mainly before 7pm. Mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers between 9am and 10am, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 84. South wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 68. Southwest wind 5 to 8 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and thunderstorms likely before 8am, then showers between 8am and 11am, then showers and possibly a thunderstorm after 11am. High near 79. Southwest wind around 9 mph. Chance of precipitation is 80%.
Thursday Night
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 56.
Labor Day
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Potter NY
 42.69°N 77.24°W (Elev. 1378 ft)
Last Update:
3:22 pm EDT Sep 1, 2026
Forecast Valid:
4pm EDT Sep 1, 2026-6pm EDT Sep 7, 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