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

69°F

21°C

Humidity 44%
Wind Speed NW 9 mph
Barometer 30.11 in (1018.9 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 12 Jun 12:53 pm EDT
Extended Forecast for

Hammondsport NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. Northwest wind around 6 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Calm wind.

    Low: 53 °F

    Increasing
    Clouds

  • Friday

    Friday: Isolated showers between 2pm and 5pm, then isolated showers and thunderstorms after 5pm. Partly sunny, with a high near 76. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 76 °F

    Partly Sunny
    then Isolated
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms. Mostly cloudy, with a low around 56. Light northeast wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 74 °F

    Scattered
    Showers

  • Saturday Night

    Saturday Night: Scattered showers, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.

    Low: 58 °F

    Scattered
    Showers

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Scattered showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.

    Low: 61 °F

    Scattered
    Showers

  • Monday

    Monday: Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. Northwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 53. Calm wind.
Friday
Isolated showers between 2pm and 5pm, then isolated showers and thunderstorms after 5pm. Partly sunny, with a high near 76. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 56. Light northeast wind. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Scattered showers, mainly after 2pm. Mostly cloudy, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Scattered showers, mainly after 2am. Mostly cloudy, with a low around 58. Chance of precipitation is 40%.
Sunday
Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Sunday Night
Scattered showers. Mostly cloudy, with a low around 61. Chance of precipitation is 40%.
Monday
Scattered showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Tuesday
Scattered showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Tuesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
12:04 pm EDT Jun 12, 2025
Forecast Valid:
1pm EDT Jun 12, 2025-6pm EDT Jun 18, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation