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.

Light Rain

65°F

18°C

Humidity 90%
Wind Speed SW 12 mph
Barometer 30.31 in (1025.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 16 Sep 9:53 am EDT
Extended Forecast for

Penn Yan NY

  • Today

    Today: Mostly cloudy, with a high near 77. Southwest wind around 6 mph becoming light and variable in the afternoon.

    High: 77 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers before 7pm, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely before 3pm, then a chance of showers. Mostly cloudy, with a high near 76. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind becoming northwest around 6 mph after midnight.

    Low: 58 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 69. North wind 9 to 11 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 65. Chance of precipitation is 30%.

    High: 65 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 8pm. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Showers

Detailed Forecast

Today
Mostly cloudy, with a high near 77. Southwest wind around 6 mph becoming light and variable in the afternoon.
Tonight
A slight chance of showers before 7pm, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers and thunderstorms likely before 3pm, then a chance of showers. Mostly cloudy, with a high near 76. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind becoming northwest around 6 mph after midnight.
Friday
Mostly sunny, with a high near 69. North wind 9 to 11 mph.
Friday Night
Partly cloudy, with a low around 49.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 65. Chance of precipitation is 30%.
Saturday Night
Showers, mainly after 8pm. Low around 54. Chance of precipitation is 80%.
Sunday
Showers, mainly before 2pm. High near 67. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Penn Yan NY
 42.65°N 77.06°W (Elev. 719 ft)
Last Update:
7:51 am EDT Sep 16, 2026
Forecast Valid:
10am EDT Sep 16, 2026-6pm EDT Sep 22, 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