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.

Fair

64°F

18°C

Humidity 84%
Wind Speed SW 6 mph
Barometer 30.12 in (1019.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 5 Aug 1:53 am EDT
Extended Forecast for

Altay NY

  • Overnight

    Overnight: Partly cloudy, with a low around 58. South wind around 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. South wind around 8 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. South wind around 8 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Light southwest wind. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly after 2pm. High near 79. Chance of precipitation is 90%.

    High: 79 °F

    Slight Chance
    Showers then
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. South wind around 7 mph.
Wednesday
Mostly sunny, with a high near 82. South wind around 8 mph.
Wednesday Night
Partly cloudy, with a low around 65. South wind around 8 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. Southwest wind 5 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Light southwest wind. Chance of precipitation is 30%.
Friday
Showers and possibly a thunderstorm, mainly after 2pm. High near 79. Chance of precipitation is 90%.
Friday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 63. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Monday
A chance of showers. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Monday Night
Showers likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Tuesday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altay NY
 42.45°N 77.04°W (Elev. 1608 ft)
Last Update:
1:01 am EDT Aug 5, 2026
Forecast Valid:
2am EDT Aug 5, 2026-6pm EDT Aug 11, 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