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.

Mostly Cloudy

60°F

16°C

Humidity 96%
Wind Speed Calm
Barometer 30.04 in (1016.7 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 28 Aug 6:53 am EDT
Extended Forecast for

Porter Corner NY

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 5 to 9 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Southwest wind 3 to 6 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. West wind 7 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.

    Low: 62 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 70. North wind 5 to 9 mph.
Tonight
Mostly clear, with a low around 50. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 75. Southwest wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 57. Calm wind becoming south 5 to 8 mph in the evening.
Sunday
Mostly sunny, with a high near 79. West wind 7 to 9 mph.
Sunday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
Monday
A chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Monday Night
A chance of showers before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 50%.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 77.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Porter Corner NY
 42.54°N 77.02°W (Elev. 1342 ft)
Last Update:
2:30 am EDT Aug 28, 2026
Forecast Valid:
7am EDT Aug 28, 2026-6pm EDT Sep 3, 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