Cornwall, CT Weather Forecast

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Cornwall, CT Weather Forecast

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Cornwall CT weather  - Overcast - 64°F
Overcast
64°F
Updated 3:19 am
Feels Like 58°F
Humidity 100%
Wind SSE 6 mph
Barometer  30.02 in
Dew Point 64°F
Cornwall CT weather  - Overcast - 18°C
Overcast
18°C
Updated 3:19 am
Feels Like 15°C
Humidity 100%
Wind SSE 10 km/h
Barometer  101.7 kPa
Dew Point 18°C

Cornwall Weather Forecast

REST OF TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY TUESDAY WEDNESDAY
Cornwall, CT Weather - Rest Of Tonight Showers Cornwall, CT Weather - Thursday Chance Of Showers Cornwall, CT Weather - Thursday Night Partly Cloudy Cornwall, CT Weather - Friday Chance Of Showers Cornwall, CT Weather - Friday Night Mostly Clear Cornwall, CT Weather - Saturday Sunny Cornwall, CT Weather - Saturday Night Partly Cloudy Cornwall, CT Weather - Sunday Partly Cloudy Cornwall, CT Weather - Sunday Night Mostly Clear Cornwall, CT Weather - Monday Mostly Clear Cornwall, CT Weather - Tuesday Partly Cloudy Cornwall, CT Weather - Wednesday Partly Cloudy
Showers Chance of Showers Partly Cloudy Chance of Showers Mostly Clear Sunny Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy
Lo: 60°FLo: 16°C Hi: 79°FHi: 26°C
Lo: 61°FLo: 16°C Hi: 79°FHi: 26°C
Lo: 59°FLo: 15°C Hi: 71°FHi: 22°C
Hi: 70°FHi: 21°C
Lo: 51°FLo: 11°C
Hi: 70°FHi: 21°C
Lo: 51°FLo: 11°C
Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C
Hi: 75°FHi: 24°C
Lo: 51°FLo: 11°C
Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C
Hi: 75°FHi: 24°C
Lo: 55°FLo: 13°C
POP: 90% POP: 40% POP: 40%
POP = Probability of Precipitation.
Weather Outlook Updated: 230 AM EDT Thu Sep 03 2026 Cornwall, CT Weather - WeatherWorld.com

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Cornwall Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 302 AM EDT Thu Sep 3 2026

Key Messages

1) Scattered rain showers and isolated non-severe thunderstorms today across portions of eastern New York and western New England, with no flooding concerns expected.

2) Unsettled weather conditions continue tomorrow through Saturday across eastern New York and western New England, with no flooding concerns expected.


Discussion

... KEY MESSAGE 1... Rain showers continue to be sporadic this morning across eastern New York and western New England as a weather system is moving through. The...