Colchester, CT Weather Forecast

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Colchester, CT Weather Forecast

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Colchester CT weather  - Light Rain - 61°F
Light Rain
61°F
Updated 11:31 am
Feels Like 57°F
Humidity 77%
Wind VRB 3 mph
Barometer  30.1 in
Dew Point 54°F
Colchester CT weather  - Light Rain - 16°C
Light Rain
16°C
Updated 11:31 am
Feels Like 14°C
Humidity 77%
Wind VRB 5 km/h
Barometer  101.9 kPa
Dew Point 12°C

Colchester Weather Forecast

TODAY TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT
Colchester, CT Weather - Today Rain Colchester, CT Weather - Tonight Rain Colchester, CT Weather - Monday Chance Of Rain Colchester, CT Weather - Monday Night Mostly Cloudy Colchester, CT Weather - Tuesday Chance Of Showers Colchester, CT Weather - Tuesday Night Mostly Cloudy Colchester, CT Weather - Wednesday Partly Sunny Colchester, CT Weather - Wednesday Night Mostly Cloudy Colchester, CT Weather - Thursday Chance Of Showers Colchester, CT Weather - Thursday Night Chance Of Showers Colchester, CT Weather - Friday Chance Of Showers Colchester, CT Weather - Friday Night Chance Of Showers
Rain Rain Chance of Rain Mostly Cloudy Chance of Showers Mostly Cloudy Partly Sunny Mostly Cloudy Chance of Showers Chance of Showers Chance of Showers Chance of Showers
Hi: 61°FHi: 16°C
Lo: 59°FLo: 15°C Hi: 65°FHi: 18°C
Lo: 51°FLo: 11°C Hi: 61°FHi: 16°C
Lo: 45°FLo: 7°C Hi: 65°FHi: 18°C
Lo: 49°FLo: 9°C Hi: 61°FHi: 16°C
Lo: 49°FLo: 9°C Hi: 61°FHi: 16°C
Lo: 49°FLo: 9°C
POP: 100% POP: 100% POP: 20% POP: 20% POP: 30% POP: 40% POP: 40% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 343 AM EDT Sun Sep 20 2026 Colchester, CT Weather - WeatherWorld.com

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Issued: 1053 AM EDT Sun Sep 20 2026

Key Messages

1) Steady rainfall from frontal system moves in today and prevails into this evening. Some moderate to potentially heavy rain at times will be possible. No hydrologic impacts expected beyond some possible localized minor flooding or ponding for low-lying and poor drainage areas.

2) Gusty easterly winds and fetch towards mid to late week will increase the potential for gales, high surf, high rip currents and some coastal flooding. Otherwise, periodic showers and cooler than normal temp...