* WHAT...Minor flooding is forecast. * WHERE...Hudson River near Poughkeepsie. * WHEN...From Saturday morning to Saturday evening. * IMPACTS...At 4.2 feet, Minor Flood Stage. Minor flooding of lowlands, boat docks and boat launches. Water covers State Route 213 in Eddyville. * ADDITIONAL DETAILS... - At 9:45 PM EDT Friday the stage was 1.6 feet. - Forecast...The river will rise and fall with the tides with a maximum value of 4.7 feet during the high tide on early Saturday afternoon. - Flood stage is 4.2 feet. - http://www.weather.gov/safety/flood
Weather in Cornwall On Hudson, NY
Updated 2026-09-26 12:00 local time · ZIP codes 12520

Patchy rain nearby
Active alerts
Next hours
57°30% rain
56°34% rain
55°28% rain
54°24% rain
55°23% rain
54°25% rain
54°26% rain
55°25% rain
55°25% rain
56°22% rain
55°45% rain
54°40% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
There is a moderate rain chance, peaking near 45%.
It feels like 48°F with winds near 16 mph.
55°F, 25% rain chance and 15 mph wind.
Visibility is around 6 mi; gusts may reach 39 mph.
Current temperature is 57°F, wind 16 mph, rain chance up to 45%.
UV index is 1.
Local weather characteristics in Cornwall On Hudson
New York spans Atlantic coastal, inland valley, Great Lakes and mountain climates. Lake-effect snow, coastal storms and large upstate/downstate temperature differences are all common.
Cornwall On Hudson is part of the Northeast weather region. The forecast point is near 41.44°N latitude and 74.02°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Cornwall On Hudson weather today
Patchy rain nearby and 57°F in Cornwall On Hudson, NY. Today's high is 59°F with a 67% rain chance. Winds are around 16 mph with gusts near 39 mph. Relative humidity is 76%, pressure is 29.90 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Cornwall On Hudson
Sunrise is at 06:47 AM and sunset is at 06:47 PM. Tomorrow's forecast calls for Light rain with a high near 56°F and a low near 53°F. The maximum rain chance is 94%.