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

61°F

16°C

Humidity 87%
Wind Speed SW 7 mph
Barometer 29.96 in (1014.1 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 17 May 2:53 am EDT
Extended Forecast for

Romulus NY

  • Overnight

    Overnight: Partly cloudy, with a low around 57. Southwest wind around 5 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Southwest wind 6 to 8 mph becoming northwest in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 59. Calm wind becoming south around 5 mph after midnight.

    Low: 59 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 90. Southwest wind 8 to 10 mph.

    High: 90 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South wind around 8 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 57. Southwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 79. Southwest wind 6 to 8 mph becoming northwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 59. Calm wind becoming south around 5 mph after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 90. Southwest wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 66. South wind around 8 mph.
Tuesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Partly sunny, with a high near 66.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Romulus NY
 42.76°N 76.84°W (Elev. 696 ft)
Last Update:
2:30 am EDT May 17, 2026
Forecast Valid:
3am EDT May 17, 2026-6pm EDT May 23, 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