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: Thu Jun 11 2026 07:45:00 EDT
THERE IS 1 ACTIVE ALERT!

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warning HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM EDT FRIDAY
Heat Advisory issued June 11 at 2:49AM EDT until June 12 at 8:00PM EDT by NWS Upton NY (Region Impacted: 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...Heat index values up to near 100 expected. * WHERE...Portions of northeast New Jersey and southeast New York. * WHEN...From noon today to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

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Greater Cornwall Latest Air Quality

Air Quality Map for the Greater Cornwall Area

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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

Today

A chance of showers and thunderstorms after 2pm. Partly sunny. High near 92, with temperatures falling to around 89 in the afternoon. Heat index values as high as 98. West wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Partly Sunny then Chance Showers And Thunderstorms
92 °F : 7 mph W
Elevation: 696.03ft

Current Conditions - Cornwall / Firthcliffe

Today

A chance of showers and thunderstorms after 2pm. Partly sunny. High near 90, with temperatures falling to around 87 in the afternoon. Heat index values as high as 96. West wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Partly Sunny then Chance Showers And Thunderstorms
90 °F : 7 mph W
Elevation: 1096.05ft

Current Conditions - Mountainville

Today

A chance of showers and thunderstorms after 2pm. Partly sunny. High near 90, with temperatures falling to around 87 in the afternoon. West wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Partly Sunny then Chance Showers And Thunderstorms
90 °F : 5 to 8 mph W
Elevation: 1001.05ft

12 Hour Zone Forecast Orange County (NYZ067)

Today
A chance of showers and thunderstorms after 2pm. Partly sunny. High near 90, with temperatures falling to around 87 in the afternoon. Heat index values as high as 96. West wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Partly Sunny then Chance Showers And Thunderstorms
90 °F : 7 mph W
Tonight
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 70. West wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Chance Showers And Thunderstorms
70 °F : 6 mph W