Weather@Cornwall NY

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Welcome to Weather@Cornwall NY

The Greater Cornwall communities' official source for real-time localized weather conditions, radar, live feeds, forecasts, alerts and events. Learn more about the Cornwall Office of Emergency Management Environmental Intelligence Programs and Stay Informed!

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Current watches, warnings, and advisories for Orange (NYZ067) NY
Last Update: Wed Feb 18 2026 01:31:46 EST
THERE ARE 2 ACTIVE ALERTS!

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warning DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING
Dense Fog Advisory issued February 18 at 1:31AM EST until February 18 at 10:00AM EST by NWS Upton NY (Region Impacted: Northern Fairfield; Northern New Haven; Northern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Western Passaic; Eastern Passaic; Hudson; Western Bergen; Eastern Bergen; Western Essex; Eastern Essex; Western Union; Eastern Union; Orange; Putnam; Rockland; Northern Westchester; Southern Westchester; New York (Manhattan); Bronx; Richmond (Staten Is.); Kings (Brooklyn); Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk; Northern Queens; Northern Nassau; Southern Queens; Southern Nassau)
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of southern Connecticut, northeastern New Jersey, and southeastern New York. * WHEN...Until 10 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
warning AREAS OF BLACK ICE LIKELY INTO WEDNESDAY MORNING
Special Weather Statement issued February 17 at 11:11PM EST by NWS Upton NY (Region Impacted: Northern Fairfield; Northern New Haven; Northern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London; Western Passaic; Eastern Passaic; Western Bergen; Eastern Bergen; Western Essex; Western Union; Orange; Putnam; Rockland; Northern Westchester; Southern Westchester; Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk; Northern Nassau; Southern Nassau)
Surface temperatures were at or below freezing across much of the area, and will remain below freezing through the overnight and into early Wednesday morning. With widespread dense fog expected moisture will freeze on the cold surfaces resulting in black ice. Motorists are urged to slow down and travel with caution into Wednesday morning.

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Greater Cornwall Weather Conditions and Forecasts

Current Conditions for Greater Cornwall

Current Conditions - Cornwall-on-Hudson

Today

Widespread fog and a chance of rain before 10am, then rain and areas of fog. Cloudy, with a high near 40. East wind around 3 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Widespread Fog then Light Rain
40 °F : 3 mph E
Elevation: 75ft

Current Conditions - Cornwall / Firthcliffe

Today

Widespread fog and a chance of rain before 10am, then rain and areas of fog. Cloudy, with a high near 40. East wind around 3 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Widespread Fog then Light Rain
40 °F : 3 mph E
Elevation: 331.02ft

Current Conditions - Mountainville

Today

Widespread fog and a chance of rain before 10am, then rain and areas of fog. Cloudy, with a high near 41. East wind around 3 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Widespread Fog then Light Rain
41 °F : 3 mph E
Elevation: 299.01ft

12 Hour Zone Forecast Orange County (NYZ067)

Today
Widespread fog and a chance of rain before 10am, then rain and areas of fog. Cloudy, with a high near 40. East wind around 3 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Widespread Fog then Light Rain
40 °F : 3 mph E
Tonight
Rain and areas of fog before 10pm, then areas of fog and a slight chance of rain between 10pm and 4am. Cloudy, with a low around 30. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Light Rain then Areas Of Fog
30 °F : 5 mph NE