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

57°F

14°C

Humidity 37%
Wind Speed S 9 G 20 mph
Barometer 30.23 in (1024.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 12 Apr 1:53 pm EDT
Extended Forecast for

Hammondsport NY

  • This Afternoon

    This Afternoon: A slight chance of showers after 3pm. Mostly cloudy, with a high near 63. South wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 63 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, with a low around 55. South wind 11 to 14 mph, with gusts as high as 26 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 71. South wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers. Mostly cloudy, with a low around 59. West wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 79. Southwest wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. 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 80. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A slight chance of showers after 3pm. Mostly cloudy, with a high near 63. South wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 55. South wind 11 to 14 mph, with gusts as high as 26 mph.
Monday
A chance of showers, mainly after 4pm. Mostly cloudy, with a high near 71. South wind 13 to 16 mph, with gusts as high as 30 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 59. West wind 3 to 7 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 79. Southwest wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. 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 80. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A chance of showers. Mostly sunny, with a high near 80. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
2:08 pm EDT Apr 12, 2026
Forecast Valid:
2pm EDT Apr 12, 2026-6pm EDT Apr 18, 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