National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Overcast

60°F

16°C

Humidity 75%
Wind Speed S 14 G 28 mph
Barometer 29.84 in (1010.5 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Oct 1:53 am EDT
Extended Forecast for

Hammondsport NY

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 53. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers

  • Friday

    Friday: Showers and thunderstorms before 3pm, then a chance of showers. High near 73. South wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 3am. Cloudy, with a low around 35. Northwest wind 10 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of rain and snow showers before 8am, then a chance of rain showers between 8am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost after midnight. Otherwise, clear, with a low around 28. Calm wind.

    Low: 28 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 62.

    High: 62 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 5am. Otherwise, clear, with a low around 34.

    Low: 34 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 53. South wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms before 3pm, then a chance of showers. High near 73. South wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely, mainly after 3am. Cloudy, with a low around 35. Northwest wind 10 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain and snow showers before 8am, then a chance of rain showers between 8am and 11am. Mostly cloudy, then gradually becoming sunny, with a high near 48. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Widespread frost after midnight. Otherwise, clear, with a low around 28. Calm wind.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 62.
Sunday Night
Areas of frost after 5am. Otherwise, clear, with a low around 34.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
2:30 am EDT Oct 16, 2026
Forecast Valid:
2am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation