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.

A Few Clouds

53°F

12°C

Humidity 26%
Wind Speed NA
Barometer 30.29 in (1026.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Last update 29 Mar 2:53 pm EDT
Extended Forecast for

Altay NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 51. Southwest wind around 11 mph.

    High: 51 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 58. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 58 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 49. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 68 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Rain likely before 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm, then a chance of rain and snow after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

    Low: 36 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 8am, then rain likely. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.

    High: 55 °F

    Chance
    Rain/Snow
    then Rain
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 51. Southwest wind around 11 mph.
Tonight
Mostly cloudy, with a low around 39. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 58. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Monday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 49. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 68. Southwest wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Wednesday
Rain likely before 2pm, then a chance of showers after 2pm. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 8pm, then a chance of rain and snow after 2am. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
Thursday
A chance of rain and snow before 8am, then rain likely. Mostly cloudy, with a high near 55. Chance of precipitation is 70%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 45. Chance of precipitation is 70%.
Friday
Rain likely. Mostly cloudy, with a high near 59. Chance of precipitation is 60%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altay NY
 42.43°N 77.01°W (Elev. 1545 ft)
Last Update:
2:30 pm EDT Mar 29, 2026
Forecast Valid:
3pm EDT Mar 29, 2026-6pm EDT Apr 4, 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