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

    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%.

    Low: 54 °F

    Slight Chance
    Showers

  • Monday

    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.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    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.

    Low: 57 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    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.

    High: 70 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55. Southwest wind 3 to 5 mph.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 81. Chance of precipitation is 50%.

    High: 81 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    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%.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
Middlesex NY
 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
 
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Additional Resources

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