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

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Overcast

68°F

20°C

Humidity 90%
Wind Speed E 5 mph
Barometer 30.09 in (1018.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 6 Jul 10:53 pm EDT
Extended Forecast for

Waterloo NYSimilar City Names

  • Tonight

    Tonight: A chance of showers, mainly after 1am. Cloudy, with a low around 63. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers before 9am. Mostly cloudy, with a high near 80. East wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63. Light and variable wind.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Light south wind.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Calm wind becoming south around 5 mph after midnight.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 89. Chance of precipitation is 50%.

    High: 89 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly after 1am. Cloudy, with a low around 63. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of showers before 9am. Mostly cloudy, with a high near 80. East wind 3 to 6 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 63. Light and variable wind.
Wednesday
Mostly sunny, with a high near 86. Light south wind.
Wednesday Night
Partly cloudy, with a low around 67. Calm wind becoming south around 5 mph after midnight.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 86.
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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:
6:08 pm EDT Jul 6, 2026
Forecast Valid:
11pm EDT Jul 6, 2026-6pm EDT Jul 13, 2026
 
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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