* 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
Local weather forecast
Weather in Cornwall, NY
Updated 2026-09-26 09:45 local time · ZIP codes 12518
Now54°F
Patchy rain nearby
High / Low60° / 52°
Rain chance88%
Wind13 mph
Weather alerts
1Active alerts
Hourly
Next hours
Now54°22% rain
54°22% rain11 AM60°18% rain
60°18% rain12 PM
55°43% rain
55°43% rain1 PM55°53% rain
55°53% rain2 PM53°68% rain
53°68% rain3 PM
52°86% rain
52°86% rain4 PM52°86% rain
52°86% rain5 PM52°88% rain
52°88% rain6 PM52°86% rain
52°86% rain7 PM
52°75% rain
52°75% rain8 PM
52°77% rain
52°77% rain9 PM53°86% rain
53°86% rainForecast
3-day weather forecast
Today2026-09-26
60° 52°Patchy rain nearby
Rain 88%Gust 18 mph
Tomorrow2026-09-27
56° 52°Patchy rain nearby
Rain 92%Gust 19 mph
Monday2026-09-28
54° 53°Light rain shower
Rain 92%Gust 12 mph
Conditions
Weather details
Feels like47°F
Humidity75%
Pressure29.94 inHg
Visibility6 mi
Wind13 mph NNE
Wind gusts37 mph
Precipitation0.00 in
UV index0
Daylight
Sunrise, sunset and moon
Sunrise06:47 AM
Sunset06:47 PM
Moonrise06:35 PM
Moon phaseFull Moon
Next 24 hours
Key weather changes ahead
Warmest hour11 AM · 60°F
Coolest hour5 PM · 52°F
Highest rain chance5 AM · 91%
Strongest gusts7 AM · 44 mph
Practical guide
Weather insights for today
Take an umbrella
Rain chance reaches about 88% over the next 12 hours.
A jacket or sweater is a good idea
It feels like 47°F with winds near 13 mph.
Best window: 10 AM
57°F, 15% rain chance and 15 mph wind.
Use extra caution while driving
Visibility is around 6 mi; gusts may reach 43 mph.
Running conditions are less comfortable
Current temperature is 54°F, wind 13 mph, rain chance up to 88%.
Low UV protection needs
UV index is 0.
Local weather characteristics in Cornwall
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 is part of the Northeast weather region. The forecast point is near 41.43°N latitude and 74.05°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 weather today
Patchy rain nearby and 54°F in Cornwall, NY. Today's high is 60°F with a 88% rain chance. Winds are around 13 mph with gusts near 37 mph. Relative humidity is 75%, pressure is 29.94 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Cornwall
Sunrise is at 06:47 AM and sunset is at 06:47 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 56°F and a low near 52°F. The maximum rain chance is 92%.
Nearby
Weather near Cornwall
New York
View state page →Popular cities in New York
Explore more weather
Browse Northeast →