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.

A Few Clouds

62°F

17°C

Humidity 48%
Wind Speed S 10 mph
Barometer 29.67 in (1004.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 4 May 11:53 pm EDT
Extended Forecast for

Waterloo NYSimilar City Names

  • Overnight

    Overnight: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 73. Southwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 44. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers

  • Wednesday

    Wednesday: Showers, mainly before 2pm. High near 50. North wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 38. West wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 73. Southwest wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 44. Northwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers, mainly before 2pm. High near 50. North wind 5 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 38. West wind 3 to 5 mph. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 56.
Friday Night
A chance of showers after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Saturday Night
Showers likely. Partly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 59. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterloo NYSimilar City Names
 42.9°N 76.87°W (Elev. 499 ft)
Last Update:
12:30 am EDT May 5, 2026
Forecast Valid:
12am EDT May 5, 2026-6pm EDT May 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation