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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Greater Cornwall WX Alerts

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Current watches, warnings, and advisories for Orange (NYZ067) NY
Last Update: Sun Jul 5 2026 19:02:46 EDT
THERE IS 1 ACTIVE ALERT!

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warning FLOOD WATCH REMAINS IN EFFECT THROUGH LATE MONDAY NIGHT
Flood Watch issued July 5 at 3:40PM EDT until July 7 at 6:00AM EDT 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...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of southern Connecticut, including the following areas, Northern Fairfield, Northern Middlesex, Northern New Haven, Northern New London, Southern Fairfield, Southern Middlesex, Southern New Haven and Southern New London, northeast New Jersey, including the following areas, Eastern Bergen, Eastern Essex, Eastern Passaic, Eastern Union, Hudson, Western Bergen, Western Essex, Western Passaic and Western Union, and southeast New York, including the following areas, Bronx, Kings (Brooklyn), New York (Manhattan), Northeast Suffolk, Northern Nassau, Northern Queens, Northern Westchester, Northwest Suffolk, Orange, Putnam, Richmond (Staten Island), Rockland, Southeast Suffolk, Southern Nassau, Southern Queens, Southern Westchester and Southwest Suffolk. * WHEN...Through late Monday night. * IMPACTS...Excessive runoff may result in flooding of urban areas, rivers, creeks, streams, and other low lying and flood prone locations. * ADDITIONAL DETAILS... - Multiple rounds of heavy rain and thunderstorms through Monday night will likely produce significant total rainfall of 2 to 3 inches, with locally higher amounts of 4 inches or more. Hourly rainfall amounts up to 2 inches are possible. These conditions could lead to flash flooding. - http://www.weather.gov/safety/flood

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National Weather Service New York, NY
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NOAA NWS Storm Prediction Center
Hudson Valley Weather

Greater Cornwall Latest Radar

Latest Radar Loop : NWS OKX - New York City, NY

Latest Radar Loop NWS Office OKX - New York City, NY

Latest Radar Loop : NWS BGM - Binghamton, NY

Latest Radar Loop NWS Office BGM - Binghamton, NY

Radar Map for the Greater Cornwall Area

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Greater Cornwall Air Quality Awareness

Current Air Quality - Cornwall, NY

Greater Cornwall Rainfall and Flood Awareness

Rainfall and Flood Awareness for the Greater Cornwall Area

Flood Awareness: reviewing official NWS alert information

Greater Cornwall Live Weather Feeds

Camera imagery courtesy of NYS Mesonet • Site: Otisville Last refreshed: —

Greater Cornwall Weather Conditions and Forecasts

Current Conditions for Greater Cornwall

Current Conditions - Cornwall-on-Hudson

Tonight

Showers and thunderstorms. Cloudy. Low around 63, with temperatures rising to around 67 overnight. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Showers And Thunderstorms
63 °F : 6 mph E
Elevation: 696.03ft

Current Conditions - Cornwall / Firthcliffe

Tonight

Showers and thunderstorms. Cloudy. Low around 62, with temperatures rising to around 66 overnight. East wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Showers And Thunderstorms
62 °F : 3 to 7 mph E
Elevation: 1096.05ft

Current Conditions - Mountainville

Tonight

Showers and thunderstorms. Cloudy. Low around 61, with temperatures rising to around 65 overnight. East wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Showers And Thunderstorms
61 °F : 6 mph E
Elevation: 1001.05ft

12 Hour Zone Forecast Orange County (NYZ067)

Tonight
Showers and thunderstorms. Cloudy. Low around 62, with temperatures rising to around 66 overnight. East wind 3 to 7 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Showers And Thunderstorms
62 °F : 3 to 7 mph E
Monday
Showers and thunderstorms. Cloudy, with a high near 68. East wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Showers And Thunderstorms
68 °F : 9 mph E

Weather Data Sources

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Official Weather & Environmental Intelligence

Weather@Cornwall NY compiles official weather, environmental, and public safety information for the Greater Cornwall community.


Supporting data sources

These sources support local awareness, preparedness, response, public information, and environmental monitoring.

warning

National Weather Service

Official watches, warnings, advisories, forecasts, and weather alerts for Orange County and the Greater Cornwall area.

radar

NOAA / NWS Radar

Regional radar products supporting awareness of precipitation, storms, and changing weather conditions.

air

AirNow / EPA

Official air quality information and public health guidance supporting local air quality awareness.

videocam

NYS Mesonet

Regional weather camera and environmental monitoring resources supporting local situational awareness.

shield

Cornwall OEM

Local public safety coordination, readiness information, and community emergency management awareness.

public

Weather@Cornwall NY

Local compilation and communication of weather and environmental information for the Greater Cornwall community.