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.

Light Rain

38°F

3°C

Humidity 86%
Wind Speed NE 5 mph
Barometer 30.27 in (1025.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 1 Apr 5:53 pm EDT
Extended Forecast for

3 Miles SE Hammondsport NY

Flood Watch April 1, 06:49pm until April 2, 08:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 1, 06:49pm until April 2, 08:00am

    NOW until 8:00am Thu

    Flood Watch

  • Tonight

    Low: 35 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 55. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 49. South wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 73. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 48. West wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers, mainly after 2am. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Chance
    Showers then
    Showers

  • Sunday

    Sunday: Showers, mainly before 8am. High near 54. Chance of precipitation is 80%.

    High: 54 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Rain. Patchy fog after 11pm. Low around 35. Northeast wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely, mainly before 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 55. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 49. South wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 73. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers. Mostly cloudy, with a low around 48. West wind 5 to 8 mph becoming north after midnight. Chance of precipitation is 30%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Saturday Night
Showers, mainly after 2am. Low around 46. Chance of precipitation is 80%.
Sunday
Showers, mainly before 8am. High near 54. Chance of precipitation is 80%.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Partly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Hammondsport NY
 42.38°N 77.2°W (Elev. 1565 ft)
Last Update:
5:46 pm EDT Apr 1, 2026
Forecast Valid:
6pm EDT Apr 1, 2026-6pm EDT Apr 8, 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