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: Tue Jun 30 2026 05:17:38 EDT
THERE ARE 2 ACTIVE ALERTS!

wx.cornwallny.gov
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warning EXTREME HEAT WARNING IN EFFECT FROM NOON TO 9 PM EDT WEDNESDAY... ...EXTREME HEAT WATCH NOW IN EFFECT FROM WEDNESDAY EVENING THROUGH SATURDAY EVENING
Extreme Heat Warning issued June 30 at 2:41AM EDT until July 1 at 9:00PM EDT by NWS Upton NY (Region Impacted: Northern Fairfield; Northern New Haven; Northern Middlesex; Southern Fairfield; Southern New Haven; Western Passaic; Eastern Passaic; Hudson; Western Bergen; Eastern Bergen; Western Essex; Eastern Essex; Western Union; Eastern Union; Orange; Putnam; Rockland; Northern Westchester; Southern Westchester)
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values between 105 to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 112 possible. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...For the Extreme Heat Warning, from noon to 9 PM EDT Wednesday. For the Extreme Heat Watch, from Wednesday evening through Saturday evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...This has potential to be a multi-day extreme heat event with near record high temperatures and little overnight relief. This level of heat can be deadly for those without adequate cooling and hydration. Impacts to transportation infrastructure and electrical and water systems are also possible.
warning EXTREME HEAT WARNING IN EFFECT FROM NOON TO 9 PM EDT WEDNESDAY... ...EXTREME HEAT WATCH NOW IN EFFECT FROM WEDNESDAY EVENING THROUGH SATURDAY EVENING
Extreme Heat Watch issued June 30 at 2:41AM EDT until July 4 at 9:00PM EDT by NWS Upton NY (Region Impacted: Northern Fairfield; Northern New Haven; Northern Middlesex; Southern Fairfield; Southern New Haven; Western Passaic; Eastern Passaic; Hudson; Western Bergen; Eastern Bergen; Western Essex; Eastern Essex; Western Union; Eastern Union; Orange; Putnam; Rockland; Northern Westchester; Southern Westchester)
* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values between 105 to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 112 possible. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...For the Extreme Heat Warning, from noon to 9 PM EDT Wednesday. For the Extreme Heat Watch, from Wednesday evening through Saturday evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...This has potential to be a multi-day extreme heat event with near record high temperatures and little overnight relief. This level of heat can be deadly for those without adequate cooling and hydration. Impacts to transportation infrastructure and electrical and water systems are also possible.

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Official WX Feeds

National Weather Service New York, NY
First Due Weather
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

Overnight

Partly cloudy, with a low around 66. West wind around 2 mph.
Partly Cloudy
66 °F : 2 mph W
Elevation: 696.03ft

Current Conditions - Cornwall / Firthcliffe

Overnight

Partly cloudy, with a low around 65. West wind around 3 mph.
Partly Cloudy
65 °F : 3 mph W
Elevation: 1096.05ft

Current Conditions - Mountainville

Overnight

Partly cloudy, with a low around 64. West wind around 2 mph.
Partly Cloudy
64 °F : 2 mph W
Elevation: 1001.05ft

12 Hour Zone Forecast Orange County (NYZ067)

Overnight
Mostly clear, with a low around 65. West wind around 3 mph.
Mostly Clear
65 °F : 3 mph W
Tuesday
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Southwest wind 3 to 9 mph. Chance of precipitation is 20%.
Mostly Sunny then Slight Chance Showers And Thunderstorms
87 °F : 3 to 9 mph SW

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.