GRISWOLD, CT 06351 Weather Forecast & Current Conditions

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WILLIMANTIC, CT
Current Weather

9:52 AM EDT MAY 14, 2026
Overcast
Rain
Mist
54°F
Feels Like: 54°F
Dewpoint: 54°F
Rel. Hum.: 100%
Visibility: 2 1/2 miles
Wind: S at 3 mph
Pressure:
Last 72 hours

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GRISWOLD, CT 06351
Weather Forecast

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Snow Depth pages
TODAY
Showers this morning, then showers with a slight chance of thunderstorms this afternoon. Highs around 60. Southeast winds 5 to 10 mph with gusts up to 20 mph, becoming east this afternoon. Chance of rain near 100 percent.
TONIGHT
Mostly cloudy. Showers likely, mainly in the evening. Lows around 50. Northwest winds around 5 mph. Chance of rain 70 percent.
FRIDAY
Mostly cloudy with a 50 percent chance of showers. Highs around 60. North winds 5 to 10 mph.
FRIDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 40s. North winds around 5 mph, becoming west after midnight.
SATURDAY
Sunny. Highs in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 25 mph in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
SUNDAY
Mostly sunny. Highs in the lower 80s.
SUNDAY NIGHT
Mostly clear. Lows in the mid 50s.
MONDAY
Mostly sunny. Highs in the upper 70s.
MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
TUESDAY
Mostly sunny. Highs around 80.
TUESDAY NIGHT
Partly cloudy. Lows around 60.
WEDNESDAY
Mostly sunny. Highs in the lower 80s.

Visible Weather Satellite
GRISWOLD, CT 06351
Infrared Weather Satellite
GRISWOLD, CT 06351
NEXRAD Weather Radar
GRISWOLD, CT 06351

WILLIMANTIC, CT 3 hourly weather forecast

weather forecast created  7:00 PM CDT  5/13/2026
Thursday
14 MAY 2026
GRISWOLD, CT 06351 weather forecast Day 1, 0 hours 2 AM 55° 53° Mostly Cloudy 52%
RAIN
.01–.1 in
0% Thunder
( 8% severe)
SSE   7 77% 48°
Low 52° GRISWOLD, CT 06351 weather forecast Day 1, 3 hours 5 AM 53° 51° Mostly Cloudy SSE   6 90% 50°
High 63° GRISWOLD, CT 06351 weather forecast Day 1, 6 hours 8 AM 55° 54° Mostly Cloudy 96%
RAIN
***
0% Thunder
( 13% severe)
SE   6 90% 52°

Mostly Cloudy

Rain

GRISWOLD, CT 06351 weather forecast Day 1, 9 hours 11 AM 59° 58° Mostly Cloudy SE   7 80% 53°
GRISWOLD, CT 06351 weather forecast Day 1, 12 hours 2 PM 60° 60° Mostly Cloudy 90%
RAIN
***
0% Thunder
( 21% severe)
ENE   6 81% 54°
GRISWOLD, CT 06351 weather forecast Day 1, 15 hours 5 PM 61° 62° Mostly Cloudy NE   3 78% 54°
GRISWOLD, CT 06351 weather forecast Day 1, 18 hours 8 PM 58° 59° Mostly Cloudy 47%
RAIN
>2 in
0% Thunder
( 5% severe)
  CALM 83% 53°
GRISWOLD, CT 06351 weather forecast Day 1, 21 hours 11 PM 54° 54° Mostly Cloudy   CALM 90% 51°
Friday
15 MAY 2026
GRISWOLD, CT 06351 weather forecast Day 2, 0 hours 2 AM 52° 52° Mostly Cloudy 29%
RAIN
.1–.25 in
0% Thunder
( 3% severe)
  CALM 93% 50°
Low 48° GRISWOLD, CT 06351 weather forecast Day 2, 3 hours 5 AM 50° 50° Mostly Cloudy   CALM 93% 48°
High 62° GRISWOLD, CT 06351 weather forecast Day 2, 6 hours 8 AM 52° 52° Mostly Cloudy 45%
RAIN
.01–.1 in
0% Thunder
( 5% severe)
N   2 93% 50°

Mostly Cloudy

Chance of Rain

GRISWOLD, CT 06351 weather forecast Day 2, 9 hours 11 AM 57° 56° Mostly Cloudy NA   6 77% 50°
GRISWOLD, CT 06351 weather forecast Day 2, 12 hours 2 PM 59° 58° Mostly Cloudy 19%
RAIN
.01–.1 in
0% Thunder
( 5% severe)
NA   8 72% 50°
GRISWOLD, CT 06351 weather forecast Day 2, 15 hours 5 PM 60° 59° Mostly Cloudy N   7 64% 48°
GRISWOLD, CT 06351 weather forecast Day 2, 18 hours 8 PM 57° 58° Partly Cloudy 4%

0% Thunder
( 0% severe)
  CALM 72% 48°
GRISWOLD, CT 06351 weather forecast Day 2, 21 hours 11 PM 52° 52° Partly Cloudy   CALM 86% 48°

WILLIMANTIC, CT extended weather forecast

Saturday
16 MAY 2026
Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Low 47° Low 53° Low 59° Low 60° Low 61°
High 72° High 79° High 81° High 84° High 77°
GRISWOLD, CT 06351 weather forecast Day 3 GRISWOLD, CT 06351 weather forecast Day 4 GRISWOLD, CT 06351 weather forecast Day 5 GRISWOLD, CT 06351 weather forecast Day 6 GRISWOLD, CT 06351 weather forecast Day 7
Partly Cloudy
10% Rain
Partly Cloudy
24% Rain
Partly Cloudy
24% Rain
Partly Cloudy
31% Rain
Mostly Cloudy
42% Rain
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