GROTON, CT 06340 Weather Forecast & Current Conditions

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GROTON, CT
Current Weather

7:56 PM EDT JUN 2, 2026
Clear
57°F
Feels Like: 57°F
Dewpoint: 52°F
Rel. Hum.: 83%
Visibility: 10 miles
Wind: Calm
Pressure: 30.11 inches
Last 72 hours

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GROTON, CT 06340
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy this evening, then clearing. Lows in the mid 50s. Northwest winds around 5 mph.
WEDNESDAY
Sunny. Highs in the upper 70s. North winds around 5 mph, becoming south in the afternoon.
WEDNESDAY NIGHT
Clear. Lows in the mid 50s. Southwest winds around 5 mph.
THURSDAY
Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph.
FRIDAY
Mostly sunny. Highs in the upper 80s.
FRIDAY NIGHT
Partly cloudy. Lows in the mid 60s.
SATURDAY
Mostly sunny. Highs in the upper 80s.
SATURDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent.
SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. A 50 percent chance of showers. Highs in the mid 70s.
SUNDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.
MONDAY
Partly sunny with a 50 percent chance of showers. Highs around 70.
MONDAY NIGHT
Mostly cloudy with a 30 percent chance of showers. Lows in the upper 50s.

Visible Weather Satellite
GROTON, CT 06340
Infrared Weather Satellite
GROTON, CT 06340
NEXRAD Weather Radar
GROTON, CT 06340

GROTON, CT 3 hourly weather forecast

weather forecast created  7:00 AM CDT  6/ 2/2026
Tuesday
2 JUN 2026
GROTON, CT 06340 weather forecast Day 1, 12 hours 2 PM 74° 74° Clear 2%

0% Thunder
( 1% severe)
W   7 38% 47°
High 75° GROTON, CT 06340 weather forecast Day 1, 15 hours 5 PM 73° 73° Partly Cloudy WSW   6 41% 48°
Partly Cloudy



GROTON, CT 06340 weather forecast Day 1, 18 hours 8 PM 66° 66° Mostly Cloudy 1%

0% Thunder
( 1% severe)
SSW   5 56% 50°
GROTON, CT 06340 weather forecast Day 1, 21 hours 11 PM 60° 60° Partly Cloudy NNW   5 67% 49°
Wednesday
3 JUN 2026
GROTON, CT 06340 weather forecast Day 2, 0 hours 2 AM 57° 56° Partly Cloudy 2%

0% Thunder
( 0% severe)
N   6 64% 45°
Low 54° GROTON, CT 06340 weather forecast Day 2, 3 hours 5 AM 54° 52° Clear N   7 66% 43°
High 77° GROTON, CT 06340 weather forecast Day 2, 6 hours 8 AM 63° 64° Clear 1%

0% Thunder
( 0% severe)
N   5 54% 46°

Clear



GROTON, CT 06340 weather forecast Day 2, 9 hours 11 AM 75° 75° Clear N   2 37% 47°
GROTON, CT 06340 weather forecast Day 2, 12 hours 2 PM 77° 78° Clear 2%

0% Thunder
( 0% severe)
S   6 37% 49°
GROTON, CT 06340 weather forecast Day 2, 15 hours 5 PM 73° 73° Clear S   9 43% 49°
GROTON, CT 06340 weather forecast Day 2, 18 hours 8 PM 65° 65° Clear 0%

0% Thunder
( 1% severe)
S   6 56% 49°
GROTON, CT 06340 weather forecast Day 2, 21 hours 11 PM 60° 61° Clear SSW   3 69% 50°
Thursday
4 JUN 2026
GROTON, CT 06340 weather forecast Day 3, 0 hours 2 AM 59° 60° Clear 0%

0% Thunder
( 1% severe)
SW   3 69% 49°
Low 55° GROTON, CT 06340 weather forecast Day 3, 3 hours 5 AM 57° 57° Clear SW   3 72% 48°
High 79° GROTON, CT 06340 weather forecast Day 3, 6 hours 8 AM 66° 66° Clear 0%

0% Thunder
( 0% severe)
WSW   3 56% 50°

Clear



GROTON, CT 06340 weather forecast Day 3, 9 hours 11 AM 76° 78° Clear SW   8 43% 52°
GROTON, CT 06340 weather forecast Day 3, 15 hours 2 PM 79° 79° Clear 0%

0% Thunder
( 0% severe)
SW   10 41% 53°
GROTON, CT 06340 weather forecast Day 3, 18 hours 5 PM 78° 79° Clear SSW   12 40% 52°
GROTON, CT 06340 weather forecast Day 3, 21 hours 8 PM 69° 69° Partly Cloudy     SW   9 55% 52°

GROTON, CT extended weather forecast

Friday
5 JUN 2026
Saturday
6 JUN 2026
Sunday
7 JUN 2026
Monday
8 JUN 2026
Tuesday
9 JUN 2026
Low 57° Low 61° Low 62° Low 56° Low 54°
High 77° High 78° High 71° High 64° High 69°
GROTON, CT 06340 weather forecast Day 4 GROTON, CT 06340 weather forecast Day 5 GROTON, CT 06340 weather forecast Day 6 GROTON, CT 06340 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Clear
3% Rain
Partly Cloudy
16% Rain
Overcast
40% Rain
Overcast
67% Rain
Overcast
56% Rain
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