National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Penn Yan, Penn Yan Airport (KPEO)

Lat: 42.64°NLon: 77.05°WElev: 902ft.

Light Rain Fog/Mist

57°F

14°C

Humidity 96%
Wind Speed S 8 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 56°F (13°C)
Visibility 1.50 mi
Last update 31 Mar 10:53 am EDT
Extended Forecast for

2 Miles SSE Branchport NY

Flood Watch March 31, 11:08am until April 1, 08:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 31, 11:08am until April 1, 08:00pm

    NOW until 8:00pm Wed

    Flood Watch

  • Today

    High: 69 °F

    Rain

  • Tonight

    Tonight: Rain and thunderstorms before 3am, then rain likely. Low around 43. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly between 8am and 2pm. Mostly cloudy, with a temperature falling to around 43 by 5pm. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F⇓

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 36. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 50%.

    High: 64 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A slight chance of rain and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Rain

  • Friday

    Friday: A chance of rain and thunderstorms after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.

    High: 74 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of rain and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    T-storms then
    Chance Rain

Detailed Forecast

Today
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. High near 69. Southwest wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain and thunderstorms before 3am, then rain likely. Low around 43. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Rain likely, mainly between 8am and 2pm. Mostly cloudy, with a temperature falling to around 43 by 5pm. North wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 36. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 50%.
Thursday Night
A slight chance of rain and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.
Friday
A chance of rain and thunderstorms after 2pm. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Friday Night
A chance of rain and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Saturday
A chance of rain after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 50%.
Sunday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Sunday Night
Rain likely. Mostly cloudy, with a low around 34. Chance of precipitation is 60%.
Monday
Mostly cloudy, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Branchport NY
 42.57°N 77.14°W (Elev. 755 ft)
Last Update:
4:59 am EDT Mar 31, 2026
Forecast Valid:
11am EDT Mar 31, 2026-6pm EDT Apr 6, 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