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

56°F

13°C

Humidity 97%
Wind Speed SW 6 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 6:53 am EDT
Extended Forecast for

Bellona NY

  • Today

    Today: Sunny, with a high near 81. South wind 6 to 10 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 62. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 75. West wind 8 to 11 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 55. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 69. Southwest wind 10 to 13 mph. Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely before 8pm. Partly cloudy, with a low around 55. Chance of precipitation is 60%.

    Low: 55 °F

    Showers
    Likely then
    Partly Cloudy

  • 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 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 81. South wind 6 to 10 mph.
Tonight
Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 62. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 75. West wind 8 to 11 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 55. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Monday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 69. Southwest wind 10 to 13 mph. Chance of precipitation is 60%.
Monday Night
Showers likely before 8pm. Partly cloudy, with a low around 55. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 80. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bellona NY
 42.76°N 77.01°W (Elev. 741 ft)
Last Update:
2:59 am EDT Aug 22, 2026
Forecast Valid:
7am EDT Aug 22, 2026-6pm EDT Aug 28, 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