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: Mon Jun 29 2026 03:30:00 EDT
THERE IS 1 ACTIVE ALERT!

wx.cornwallny.gov
On FB @cornwalloem

warning EXTREME HEAT WATCH REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH FRIDAY EVENING
Extreme Heat Watch issued June 29 at 2:40AM EDT until July 3 at 9:00PM 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; Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk; Northern Nassau; Southern Nassau)
* WHAT...Dangerously hot conditions with heat index values between 105 to 110 possible. * WHERE...Portions of southern Connecticut, northeast New Jersey, and southeast New York. * WHEN...From Wednesday afternoon through Friday 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...Coastal areas across southeast CT and Long Island will likely see peak heat index values closer to 100 to 105. There is potential for the dangerous heat to continue into Saturday.

WX@Cornwall Social WX Wall

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

Patchy fog. Partly cloudy, with a low around 63. West wind around 1 mph.
Patchy Fog
63 °F : 1 mph W
Elevation: 696.03ft

Current Conditions - Cornwall / Firthcliffe

Overnight

Patchy fog. Partly cloudy, with a low around 62. West wind around 2 mph.
Patchy Fog
62 °F : 2 mph W
Elevation: 1096.05ft

Current Conditions - Mountainville

Overnight

Patchy fog. Partly cloudy, with a low around 61. West wind around 1 mph.
Patchy Fog
61 °F : 1 mph W
Elevation: 1001.05ft

12 Hour Zone Forecast Orange County (NYZ067)

Overnight
Patchy fog. Partly cloudy, with a low around 62. Northwest wind around 2 mph.
Patchy Fog
62 °F : 2 mph NW
Monday
Patchy fog before 9am. Sunny. High near 84, with temperatures falling to around 82 in the afternoon. Northeast wind around 5 mph.
Patchy Fog then Sunny
84 °F : 5 mph NE

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.