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

80°F

27°C

Humidity 41%
Wind Speed E 3 mph
Barometer 30.22 in (1022.8 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Aug 11:53 am EDT
Extended Forecast for

Middlesex NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. East wind around 6 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 68. East wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light and variable wind becoming northwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Light and variable wind becoming southwest around 6 mph in the evening.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Southwest wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 85. East wind around 6 mph.
Tonight
Mostly clear, with a low around 68. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 88. Light and variable wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 68. Light and variable wind becoming southwest around 6 mph in the evening.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Southwest wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Middlesex NY
 42.7°N 77.26°W (Elev. 1237 ft)
Last Update:
11:51 am EDT Aug 15, 2025
Forecast Valid:
12pm EDT Aug 15, 2025-6pm EDT Aug 21, 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