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
Stay in the know with Greater Cornwall NY Weather Alerts! Active will be displayed here. Ready to receive alerts? Sign up now!
Last Update: Fri Jun 12 2026 12:02:08 EDT
THERE IS 1 ACTIVE ALERT!
wx.cornwallny.gov

On FB @cornwalloem
warning HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
* WHAT...Heat index values up to 102. * WHERE...Portions of northeast New Jersey and southeast New York. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
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WX@Cornwall Social WX Wall
Official WX Feeds
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Greater Cornwall Latest Radar
Latest Radar Loop : NWS OKX - New York City, NY
Latest Radar Loop : NWS BGM - Binghamton, NY
Radar Map for the Greater Cornwall Area
Weather Data: N/A
Temperature: N/A
Current Layer: N/A
Timestamp: N/A
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Greater Cornwall Latest Air Quality
Air Quality Map for the Greater Cornwall Area
Air Quality Index: N/A
Health Recommendation: N/A
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Greater Cornwall Latest Flood Risk
Flood Risk Map for the Greater Cornwall Area
Flood Risk Level: N/A
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Greater Cornwall Live Weather Feeds
Camera imagery courtesy of
NYS Mesonet
• Site: Otisville
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Greater Cornwall Weather Conditions and Forecasts
Current Conditions for Greater Cornwall
Current Conditions - Cornwall-on-Hudson
Today
Mostly Sunny then Chance Showers And Thunderstorms
93 °F : 8 mph NW
Elevation: 696.03ft
93 °F : 8 mph NW
Elevation: 696.03ft
Current Conditions - Cornwall / Firthcliffe
Today
Mostly Sunny then Chance Showers And Thunderstorms
91 °F : 8 mph NW
Elevation: 1096.05ft
91 °F : 8 mph NW
Elevation: 1096.05ft
Current Conditions - Mountainville
Today
Mostly Sunny then Chance Showers And Thunderstorms
90 °F : 9 mph NW
Elevation: 1001.05ft
90 °F : 9 mph NW
Elevation: 1001.05ft
12 Hour Zone Forecast Orange County (NYZ067)
Mostly Sunny then Chance Showers And Thunderstorms
91 °F : 8 mph NW
Showers And Thunderstorms Likely then Partly Cloudy
63 °F : 7 to 10 mph NW