Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Fair

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 30.21 in (1022.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 15 Aug 1:53 am EDT
Extended Forecast for

Hammondsport NY

  • Overnight

    Overnight: Areas of fog after 3am.  Otherwise, partly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Areas Fog

  • Saturday

    Saturday: Areas of fog before 7am.  Otherwise, mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 81 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60. Light and variable wind.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Increasing clouds, with a high near 81. South wind 5 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Mostly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am.  Low around 66. South wind around 6 mph becoming light and variable  after midnight.  Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Monday

    Monday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81. Chance of precipitation is 20%.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of fog after 3am. Otherwise, partly cloudy, with a low around 56. Calm wind.
Saturday
Areas of fog before 7am. Otherwise, mostly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 60. Light and variable wind.
Sunday
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Increasing clouds, with a high near 81. South wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Low around 66. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 80%.
Monday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 58.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
2:30 am EDT Aug 15, 2026
2am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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