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.

Fair

69°F

21°C

Humidity 90%
Wind Speed SW 8 mph
Barometer 29.88 in (1011.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 4:53 am EDT
Extended Forecast for

Hammondsport NY

  • Today

    Today: Scattered showers and thunderstorms, mainly after 1pm. Areas of fog before 7am. Otherwise, partly sunny, with a high near 86. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Areas Fog
    then
    Scattered
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Partly cloudy, with a low around 69. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Scattered showers before 11am, then scattered showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then isolated showers between 8pm and 2am. Mostly cloudy, with a low around 59. Northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers
    Likely then
    Isolated
    Showers

  • Friday

    Friday: Isolated showers and thunderstorms after 2pm. Sunny, with a high near 81. West wind around 7 mph. Chance of precipitation is 20%.

    High: 81 °F

    Sunny then
    Isolated
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Scattered showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Sunday

    Sunday: Scattered showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 93. Chance of precipitation is 30%.

    High: 93 °F

    Scattered
    T-storms then
    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly after 1pm. Areas of fog before 7am. Otherwise, partly sunny, with a high near 86. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Partly cloudy, with a low around 69. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Scattered showers before 11am, then scattered showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then isolated showers between 8pm and 2am. Mostly cloudy, with a low around 59. Northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Isolated showers and thunderstorms after 2pm. Sunny, with a high near 81. West wind around 7 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Scattered showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
Scattered showers and thunderstorms before 8am. Mostly sunny and hot, with a high near 93. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 72.
Tuesday
Sunny and hot, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
Hammondsport NY
 42.41°N 77.23°W (Elev. 801 ft)
Last Update:
2:35 am EDT Jun 18, 2025
Forecast Valid:
5am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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