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

39°F

4°C

Humidity 89%
Wind Speed Calm
Barometer 30.19 in (1023.4 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 2 Nov 6:53 pm EST
Extended Forecast for

Willow Grove NY

  • Tonight

    Tonight: Clear, with a low around 43. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 43 °F

    Clear

  • Monday

    Monday: A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Increasing clouds, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 57 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers between 7pm and 1am. Mostly clear, with a low around 41. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 54. West wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 54 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. West wind 5 to 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 1pm. Cloudy, with a high near 56. Chance of precipitation is 50%.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 43. Calm wind becoming south 5 to 8 mph in the evening.
Monday
A slight chance of showers before 4pm, then a slight chance of showers after 5pm. Increasing clouds, with a high near 57. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers between 7pm and 1am. Mostly clear, with a low around 41. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 54. West wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 40. West wind 5 to 7 mph.
Wednesday
A chance of showers after 1pm. Cloudy, with a high near 56. Chance of precipitation is 50%.
Wednesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
A chance of showers after 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 40%.
Friday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 70%.
Saturday
A chance of showers. Partly sunny, with a high near 52. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 47. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Willow Grove NY
 42.61°N 77.07°W (Elev. 784 ft)
Last Update:
6:26 pm EST Nov 2, 2025
Forecast Valid:
7pm EST Nov 2, 2025-6pm EST Nov 9, 2025
 
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