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

43°F

6°C

Humidity 74%
Wind Speed SW 3 mph
Barometer 29.90 in (1012.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 21 Nov 9:53 pm EST
Extended Forecast for

Romulus NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. West wind 3 to 5 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 42. Northwest wind 5 to 9 mph.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27. Light and variable wind becoming south around 6 mph after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 1pm. Mostly cloudy, with a high near 45. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 1am. Mostly cloudy, with a low around 33. West wind 8 to 11 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 1pm. Cloudy, with a high near 48. Chance of precipitation is 60%.

    High: 48 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. West wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 42. Northwest wind 5 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 27. Light and variable wind becoming south around 6 mph after midnight.
Sunday
A slight chance of showers after 1pm. Mostly cloudy, with a high near 45. South wind 6 to 10 mph becoming west in the afternoon. Chance of precipitation is 20%.
Sunday Night
A slight chance of showers before 1am. Mostly cloudy, with a low around 33. West wind 8 to 11 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Showers likely, mainly after 1pm. Cloudy, with a high near 48. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Thanksgiving Day
A chance of rain and snow showers. Partly sunny, with a high near 40. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Romulus NY
 42.76°N 76.84°W (Elev. 696 ft)
Last Update:
5:49 pm EST Nov 21, 2025
Forecast Valid:
10pm EST Nov 21, 2025-6pm EST Nov 28, 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