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: Sat Jul 18 2026 17:04:45 EDT
THERE IS 1 ACTIVE ALERT!

wx.cornwallny.gov
On FB @cornwalloem

warning AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT EDT SATURDAY NIGHT
Air Quality Alert issued July 17 at 3:28PM EDT by NWS Upton NY (Region Impacted: 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)
The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Nassau, Suffolk, Westchester, Rockland, Orange, Putnam. until midnight EDT Saturday night. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Fine Particulates. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern. When pollution levels are elevated, the New York State Department of Health recommends that individuals consider limiting strenuous outdoor physical activity to reduce the risk of adverse health effects. People who may be especially sensitive to the effects of elevated levels of pollutants include the very young, and those with preexisting respiratory problems such as asthma or heart disease. Those with symptoms should consider consulting their personal physician. For additional information, please visit the New York State Department of Environmental Conservation website at, https://on.ny.gov/nyaqi, or call the Air Quality Hotline at 1 800 5 3 5, 1 3 4 5.

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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

This Afternoon

Patchy smoke and showers and thunderstorms. Some of the storms could be severe. Cloudy. High near 75, with temperatures falling to around 73 in the afternoon. Southwest wind around 8 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Patchy Smoke
75 °F : 8 mph SW
Elevation: 696.03ft

Current Conditions - Cornwall / Firthcliffe

This Afternoon

Patchy smoke and showers and thunderstorms. Some of the storms could be severe. Cloudy. High near 75, with temperatures falling to around 72 in the afternoon. Southwest wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Patchy Smoke
75 °F : 9 mph SW
Elevation: 1096.05ft

Current Conditions - Mountainville

This Afternoon

Patchy smoke and showers and thunderstorms. Some of the storms could be severe. Cloudy. High near 75, with temperatures falling to around 73 in the afternoon. Southwest wind around 8 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
Patchy Smoke
75 °F : 8 mph SW
Elevation: 1001.05ft

12 Hour Zone Forecast Orange County (NYZ067)

This Afternoon
Patchy smoke and showers and thunderstorms. Some of the storms could be severe. Cloudy. High near 74, with temperatures falling to around 72 in the afternoon. Southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Patchy Smoke
74 °F : 9 mph SW
Tonight
Showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Some of the storms could be severe. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Showers And Thunderstorms then Chance Showers And Thunderstorms
66 °F : 10 mph W

Weather Data Sources

hub
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.