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

60°F

16°C

Humidity 53%
Wind Speed SW 13 G 24 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Apr 10:53 pm EDT
Extended Forecast for

3 Miles SE Hammondsport NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. South wind 16 to 18 mph, with gusts as high as 29 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 69. Southwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers. Mostly cloudy, with a low around 56. West wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 56 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 75. Southwest wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. 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

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 9 mph. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.

    Low: 60 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. South wind 16 to 18 mph, with gusts as high as 29 mph.
Monday
A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 69. Southwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 56. West wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 75. Southwest wind 7 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 9 mph. Chance of precipitation is 50%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 53.
Saturday
A chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Hammondsport NY
 42.38°N 77.2°W (Elev. 1565 ft)
Last Update:
6:45 pm EDT Apr 12, 2026
Forecast Valid:
11pm EDT Apr 12, 2026-6pm EDT Apr 19, 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