Current conditions at
Penn Yan, Penn Yan Airport (KPEO)
Lat: 42.64°NLon: 77.05°WElev: 902ft.
Fair
59°F
15°C
| Humidity | 75% |
| Wind Speed | Calm |
| Barometer | 29.86 in (1010.8 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 23 Aug 11:53 pm EDT |
Extended Forecast for
Middlesex NY
Overnight

Low: 54 °F
Slight Chance
ShowersMonday

High: 66 °F
Showers
LikelyMonday Night
Low: 57 °F
Chance
Showers then
Partly CloudyTuesday

High: 70 °F
Chance
ShowersTuesday Night

Low: 55 °F
Mostly Clear
Wednesday

High: 78 °F
Mostly Sunny
Wednesday Night

Low: 63 °F
Partly Cloudy
Thursday
High: 81 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 63 °F
Chance
T-storms then
Chance
Showers
Detailed Forecast
Overnight
A slight chance of showers before 4am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 54. Southwest wind around 8 mph. Chance of precipitation is 20%.
Monday
A chance of showers before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 66. Southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers, mainly before 9pm. Mostly cloudy, with a low around 57. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers. Partly sunny, with a high near 70. Northwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly clear, with a low around 55. Southwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Friday
A chance of showers after 8am. Mostly sunny, with a high near 77. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Middlesex NY
42.7°N 77.26°W (Elev. 1237 ft)
42.7°N 77.26°W (Elev. 1237 ft)
2:30 pm EDT Aug 23, 2026
12am EDT Aug 24, 2026-6pm EDT Aug 30, 2026


