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 with Haze

75°F

24°C

Humidity 71%
Wind Speed S 3 mph
Barometer 29.88 in (1010.9 mb)
Dewpoint 65°F (18°C)
Visibility 5.00 mi
Last update 1 Aug 8:53 pm EDT
Extended Forecast for

Weston NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. South wind around 7 mph.

    Low: 65 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 2am, then showers after 2am. Low around 63. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    T-storms
    Likely then
    Showers

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 75. West wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

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

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. South wind around 7 mph.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 74. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 2am, then showers after 2am. Low around 63. South wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers. Partly sunny, with a high near 75. West wind 5 to 7 mph becoming north in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 58. North wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Weston NY
 42.41°N 77.08°W (Elev. 1099 ft)
Last Update:
6:41 pm EDT Aug 1, 2026
Forecast Valid:
9pm EDT Aug 1, 2026-6pm EDT Aug 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