Ontario County
Current Weather
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Reported in Penn Yan, NY
24 Hour Weather Forecast
Through 3am
Upper
60s
60s
Areas of thin overcast.
Low Weather Threat: Minor to slight air quality impacts.
Forecast Confidence is High: The actual weather should nearly match the forecast.
Low Weather Threat: Minor to slight air quality impacts.
Forecast Confidence is High: The actual weather should nearly match the forecast.
Tuesday Morning
Middle
60s
60s
More clouds than sun. A few scattered showers.
No weather hazards are expected.
Forecast Confidence is High: The actual weather should nearly match the forecast.
No weather hazards are expected.
Forecast Confidence is High: The actual weather should nearly match the forecast.
Tuesday Daytime
Upper
70s
70s
Scattered severe thunderstorms.
Low Weather Threat: Any storms will be capable of producing damaging wind gusts, frequent lightning, and heavy rainfall. An isolated tornado or some hail cannot be ruled out.
Forecast Confidence is High: The actual weather should nearly match the forecast.
Low Weather Threat: Any storms will be capable of producing damaging wind gusts, frequent lightning, and heavy rainfall. An isolated tornado or some hail cannot be ruled out.
Forecast Confidence is High: The actual weather should nearly match the forecast.
7 Day Weather Forecast

Latest News
Weather Planner: Tuesday, July 21, 2026
After a few morning showers Tuesday, a strong low pressure and associated cold front will trigger scattered to numerous severe thunderstorms of a similar intensity to Saturday. Damaging winds are the primary threat but a tornado or two cannot be ruled out. Humidity will be moderate with blustery south winds and highs in the mid and upper 70s. Thunderstorms will diminish by the evening, but scattered showers will remain possible overnight.… Read More
