COLCHESTER, CT 06415 Weather Forecast & Current Conditions

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WILLIMANTIC, CT
Current Weather

2:52 PM EDT APR 1, 2026
Overcast
Heavy Rain
68°F
Feels Like: 68°F
Dewpoint: 61°F
Rel. Hum.: 78%
Visibility: 1 1/4 miles
Wind: SW at 7 mph
Pressure: 30.03 inches
Last 72 hours

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COLCHESTER, CT 06415
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Showers with a slight chance of thunderstorms. Highs in the lower 70s. Northwest winds 5 to 10 mph. Chance of rain 80 percent.
TONIGHT
Showers with a slight chance of thunderstorms in the evening, then showers after midnight. Cooler with lows in the upper 30s. Northeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.
THURSDAY
Cloudy. Showers likely, mainly in the morning. Much cooler with highs in the mid 40s. Northeast winds around 10 mph with gusts up to 25 mph. Chance of rain 70 percent.
THURSDAY NIGHT
Cloudy with a 20 percent chance of showers. Lows in the upper 30s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening.
FRIDAY
Cloudy in the morning, then becoming partly sunny. Not as cool with highs around 60. Southeast winds around 5 mph, becoming southwest with gusts up to 25 mph in the afternoon.
FRIDAY NIGHT
Mostly cloudy. Lows in the lower 50s.
SATURDAY
Partly sunny. Highs around 70.
SATURDAY NIGHT
Mostly cloudy. Lows in the mid 40s.
SUNDAY
Mostly cloudy. A chance of showers in the morning, then showers in the afternoon. Highs in the lower 60s. Chance of rain 80 percent.
SUNDAY NIGHT
Mostly cloudy. Showers, mainly in the evening. Lows in the upper 30s. Chance of rain 80 percent.
MONDAY
Mostly sunny. Highs in the lower 50s.
MONDAY NIGHT
Mostly clear. Lows in the lower 30s.
TUESDAY
Sunny in the morning, then becoming partly sunny. Highs around 50.

Visible Weather Satellite
COLCHESTER, CT 06415
Infrared Weather Satellite
COLCHESTER, CT 06415
NEXRAD Weather Radar
COLCHESTER, CT 06415

WILLIMANTIC, CT 3 hourly weather forecast

weather forecast created  6:00 AM CST  4/ 1/2026
Wednesday
1 APR 2026
COLCHESTER, CT 06415 weather forecast Day 1, 12 hours 1 PM 70° 70° Mostly Cloudy 64%
RAIN
>2 in
0% Thunder
( 22% severe)
NW   8 57% 54°
High 71° COLCHESTER, CT 06415 weather forecast Day 1, 15 hours 4 PM 66° 66° Mostly Cloudy NNW   6 58% 51°
Mostly Cloudy

Rain Likely

COLCHESTER, CT 06415 weather forecast Day 1, 18 hours 7 PM 60° 61° Mostly Cloudy 70%
RAIN
***
0% Thunder
( 9% severe)
NNE   3 67% 49°
COLCHESTER, CT 06415 weather forecast Day 1, 21 hours 10 PM 51° 48° Mostly Cloudy ENE   8 77% 44°
Thursday
2 APR 2026
COLCHESTER, CT 06415 weather forecast Day 2, 0 hours 1 AM 46° 42° Mostly Cloudy 79%
RAIN
***
0% Thunder
( 5% severe)
ENE   8 76% 39°
Low 37° COLCHESTER, CT 06415 weather forecast Day 2, 3 hours 4 AM 42° 36° Mostly Cloudy ENE   9 86% 38°
High 44° COLCHESTER, CT 06415 weather forecast Day 2, 6 hours 7 AM 39° 32° Mostly Cloudy 50%
RAIN
.1–.25 in
0% Thunder
( 1% severe)
NE   10 89% 36°

Mostly Cloudy

Chance of Rain

COLCHESTER, CT 06415 weather forecast Day 2, 9 hours 10 AM 39° 32° Mostly Cloudy ENE   10 82% 34°
COLCHESTER, CT 06415 weather forecast Day 2, 12 hours 1 PM 42° 36° Mostly Cloudy 15%
RAIN
.01–.1 in
0% Thunder
( 0% severe)
ENE   10 73% 34°
COLCHESTER, CT 06415 weather forecast Day 2, 15 hours 4 PM 43° 38° Mostly Cloudy ENE   9 68% 33°
COLCHESTER, CT 06415 weather forecast Day 2, 18 hours 7 PM 40° 35° Mostly Cloudy 13%
RAIN
<.01 in
0% Thunder
( 0% severe)
ENE   7 76% 33°
COLCHESTER, CT 06415 weather forecast Day 2, 21 hours 10 PM 38° 36° Mostly Cloudy ENE   3 85% 34°
Friday
3 APR 2026
COLCHESTER, CT 06415 weather forecast Day 3, 0 hours 1 AM 38° 36° Mostly Cloudy 8%

0% Thunder
( 1% severe)
E   1 89% 35°
Low 36° COLCHESTER, CT 06415 weather forecast Day 3, 3 hours 4 AM 38° 36° Mostly Cloudy E   1 92% 36°
High 63° COLCHESTER, CT 06415 weather forecast Day 3, 6 hours 7 AM 38° 36° Mostly Cloudy 4%

0% Thunder
( 0% severe)
  CALM 100% 38°

Mostly Cloudy



COLCHESTER, CT 06415 weather forecast Day 3, 9 hours 10 AM 47° 46° Mostly Cloudy S   3 83% 42°
COLCHESTER, CT 06415 weather forecast Day 3, 15 hours 1 PM 58° 56° Mostly Cloudy 1%

0% Thunder
( 1% severe)
SSW   9 67% 47°
COLCHESTER, CT 06415 weather forecast Day 3, 18 hours 4 PM 62° 61° Mostly Cloudy SSW   10 62% 49°
COLCHESTER, CT 06415 weather forecast Day 3, 21 hours 7 PM 57° 55° Mostly Cloudy     SSW   8 77% 50°

WILLIMANTIC, CT extended weather forecast

Saturday
4 APR 2026
Sunday
5 APR 2026
Monday
6 APR 2026
Tuesday
7 APR 2026
Wednesday
8 APR 2026
Low 48° Low 42° Low 39° Low 29° Low 27°
High 65° High 62° High 53° High 53° High 48°
COLCHESTER, CT 06415 weather forecast Day 4 COLCHESTER, CT 06415 weather forecast Day 5 COLCHESTER, CT 06415 weather forecast Day 6 COLCHESTER, CT 06415 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
30% Rain
Overcast
79% Rain
Mostly Cloudy
35% Rain/Snow
Partly Cloudy
21% Rain/Snow
Partly Cloudy
20% Rain/Snow
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