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

68°F

20°C

Humidity 90%
Wind Speed Calm
Barometer 30.29 in (1025.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 Sep 1:53 am EDT
Extended Forecast for

Bellona NY

  • Overnight

    Overnight: Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Patchy Fog

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 11am, then a chance of showers. High near 76. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Northwest wind 3 to 6 mph.

    Low: 58 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 71. North wind 6 to 11 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. North wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers, mainly after 2am. Low around 57. Chance of precipitation is 90%.

    Low: 57 °F

    Chance
    Showers then
    Showers

  • Sunday

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

    High: 67 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 64. Calm wind.
Thursday
Showers and possibly a thunderstorm before 11am, then a chance of showers. High near 76. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 58. Northwest wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 71. North wind 6 to 11 mph.
Friday Night
Mostly cloudy, with a low around 49. North wind around 6 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 66.
Saturday Night
Showers, mainly after 2am. Low around 57. Chance of precipitation is 90%.
Sunday
Showers, mainly before 2pm. High near 67. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 50.
Tuesday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Bellona NY
 42.76°N 77.01°W (Elev. 741 ft)
Last Update:
2:30 am EDT Sep 17, 2026
Forecast Valid:
2am EDT Sep 17, 2026-6pm EDT Sep 23, 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