Colchester, CT Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Colchester, CT.

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Current Conditions — Colchester, CT

WINDSOR LOCKS (KBDL)

Cloudy

44.6 F
Humidity:70%
Wind Speed:S 15.0 mph
Barometer:30.14 in
Dewpoint:35.6 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:37.8 F
Apr 22 2026, 10:50 AM EDT
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5-Day Forecast — Colchester, CT

Wednesday

High 48 °F
Chance of Rain Showers
Wednesday
Night
Low 39 °F
Mostly Cloudy
Thursday

High 64 °F
Mostly Cloudy
Thursday
Night
Low 41 °F
Mostly Cloudy
Friday

High 60 °F
Partly Sunny
Friday
Night
Low 37 °F
Mostly Clear
Saturday

High 57 °F
Slight Chance of Rain Showers
Saturday
Night
Low 39 °F
Slight Chance of Rain
Sunday

High 60 °F
Mostly Cloudy

Detailed Forecast — Colchester, CT

Wednesday
Chance of Rain Showers. High near 48°F. Wind 5 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly Cloudy. Low around 39°F. Wind 1 to 3 mph, with gusts as high as 12 mph.
Thursday
Mostly Cloudy. High near 64°F. Wind 2 to 13 mph, with gusts as high as 28 mph.
Thursday Night
Mostly Cloudy. Low around 41°F. Wind 2 to 6 mph, with gusts as high as 15 mph.
Friday
Partly Sunny. High near 60°F. Wind 5 to 7 mph, with gusts as high as 14 mph.
Friday Night
Mostly Clear. Low around 37°F. Wind around 2 mph, with gusts as high as 9 mph.
Saturday
Slight Chance of Rain Showers. High near 57°F. Wind 3 to 7 mph, with gusts as high as 14 mph.
Saturday Night
Slight Chance of Rain. Low around 39°F. Wind 1 to 5 mph, with gusts as high as 13 mph.
Sunday
Mostly Cloudy. High near 60°F. Wind 2 to 7 mph, with gusts as high as 15 mph.
Sunday Night
Partly Cloudy. Low around 39°F. Wind 2 to 5 mph, with gusts as high as 13 mph.
Monday
Slight Chance of Rain Showers. High near 62°F. Wind 3 to 8 mph, with gusts as high as 16 mph.
Monday Night
Slight Chance of Showers. Low around 41°F. Wind 5 to 6 mph, with gusts as high as 15 mph.
Tuesday
Chance of Rain Showers. High near 60°F. Wind 6 to 10 mph, with gusts as high as 20 mph.
CT Radar
Current Radar • CT
Day 1 Outlook • April 22, 2026

Observation History — Colchester, CT

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
10:50 AM EDT S 15.0 10.00 Cloudy -- 44.6 35.6 70% 37.8 NA 30.14 1020.7
10:35 AM EDT S 12.7 10.00 Cloudy -- 42.8 35.6 76% 36.1 NA 30.15 1021.0
10:20 AM EDT S 16.1 10.00 Cloudy -- 42.8 35.6 76% 35.1 NA 30.15 1021.0
10:05 AM EDT S 12.7 G 18.4 10.00 Cloudy -- 42.8 35.6 76% 36.1 NA 30.16 1021.3
10:00 AM EDT S 12.7 G 18.4 10.00 Cloudy -- 42.8 35.6 76% 36.1 NA 30.16 1021.3
09:50 AM EDT S 15.0 10.00 Cloudy -- 42.8 35.6 76% 35.4 NA 30.16 1021.3
09:35 AM EDT S 16.1 10.00 Cloudy -- 42.8 35.6 76% 35.1 NA 30.16 1021.3
09:25 AM EDT S 12.7 10.00 Cloudy -- 42.8 35.6 76% 36.1 NA 30.16 1021.3
09:10 AM EDT S 12.7 10.00 Cloudy -- 42.8 37.4 81% 36.1 NA 30.16 1021.3
09:05 AM EDT S 12.7 10.00 Cloudy -- 42.8 37.4 81% 36.1 NA 30.16 1021.3
08:51 AM EDT S 9.2 10.00 Cloudy Trace 42.1 37.9 85% 36.5 NA 30.16 1021.3
08:45 AM EDT S 10.4 10.00 Cloudy -- 42.8 37.4 81% 37.0 NA 30.16 1021.3
08:35 AM EDT S 12.7 10.00 Light Rain -- 42.8 37.4 81% 36.1 NA 30.16 1021.3
08:25 AM EDT S 9.2 10.00 Light Rain -- 42.8 37.4 81% 37.4 NA 30.16 1021.3
08:20 AM EDT S 11.5 10.00 Light Rain -- 42.8 37.4 81% 36.5 NA 30.16 1021.3
08:10 AM EDT S 10.4 10.00 Light Rain -- 42.8 37.4 81% 37.0 NA 30.16 1021.3
08:00 AM EDT S 10.4 10.00 Cloudy -- 42.8 37.4 81% 37.0 NA 30.17 1021.7
07:50 AM EDT S 12.7 10.00 Cloudy -- 42.8 37.4 81% 36.1 NA 30.17 1021.7
07:45 AM EDT S 10.4 10.00 Cloudy -- 42.8 37.4 81% 37.0 NA 30.17 1021.7
07:40 AM EDT S 9.2 10.00 Cloudy -- 41.0 37.4 87% 35.2 NA 30.17 1021.7
07:35 AM EDT S 9.2 10.00 Cloudy -- 41.0 37.4 87% 35.2 NA 30.17 1021.7
07:30 AM EDT S 9.2 10.00 Cloudy -- 41.0 37.4 87% 35.2 NA 30.17 1021.7
07:10 AM EDT S 8.1 10.00 Cloudy -- 41.0 37.4 87% 35.8 NA 30.17 1021.7
07:00 AM EDT S 6.9 10.00 Cloudy -- 41.0 37.4 87% 36.3 NA 30.17 1021.7

Regional Weather Observation

WINDSOR LOCKS (KBDL)

Cloudy
44.6 F

HARTFORD/BRAINAR (KHFD)

Cloudy
42.8 F

WILLIMANTIC (KIJD)

Cloudy
42.8 F

MERIDEN (KMMK)

Cloudy
42.8 F

CHESTER (KSNC)

Cloudy
41.0 F

NEW HAVEN/TWEED (KHVN)

Cloudy
44.6 F
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