NEW LONDON, CT 06320 Weather Forecast & Current Conditions

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GROTON, CT
Current Weather

11:56 AM EDT MAY 27, 2026
Clear
72°F
Feels Like: 72°F
Dewpoint: 63°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SW at 13 mph
Pressure: 29.83 inches
Last 72 hours

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NEW LONDON, CT 06320
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy. Highs in the lower 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph this afternoon.
TONIGHT
Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 60s. West winds around 5 mph, becoming north around 5 mph after midnight. Chance of rain 20 percent.
THURSDAY
Sunny in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the mid 70s. North winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 20 percent.
THURSDAY NIGHT
Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the mid 50s. Northwest winds around 5 mph. Chance of rain 20 percent.
FRIDAY
Mostly sunny. Highs in the mid 70s. Northwest winds around 5 mph, becoming southwest in the afternoon.
FRIDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 50 percent.
SATURDAY
Partly sunny. A chance of showers in the morning. Highs in the lower 70s. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly clear. Lows in the upper 40s.
SUNDAY
Sunny. Highs around 70.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 50s.
MONDAY
Mostly sunny. Highs in the upper 60s.
MONDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows around 50. Chance of rain 30 percent.
TUESDAY
Mostly sunny. Highs in the lower 70s.

Visible Weather Satellite
NEW LONDON, CT 06320
Infrared Weather Satellite
NEW LONDON, CT 06320
NEXRAD Weather Radar
NEW LONDON, CT 06320

GROTON, CT 3 hourly weather forecast

weather forecast created  7:00 AM CDT  5/27/2026
Wednesday
27 MAY 2026
NEW LONDON, CT 06320 weather forecast Day 1, 12 hours 2 PM 79° 80° Mostly Cloudy 5%

0% Thunder
( 11% severe)
WSW   13 56% 62°
High 80° NEW LONDON, CT 06320 weather forecast Day 1, 15 hours 5 PM 79° 81° Mostly Cloudy WSW   12 58% 63°
Mostly Cloudy



NEW LONDON, CT 06320 weather forecast Day 1, 18 hours 8 PM 73° 73° Mostly Cloudy 2%

0% Thunder
( 9% severe)
WSW   7 73% 64°
NEW LONDON, CT 06320 weather forecast Day 1, 21 hours 11 PM 69° 69° Mostly Cloudy NNW   8 66% 57°
Thursday
28 MAY 2026
NEW LONDON, CT 06320 weather forecast Day 2, 0 hours 2 AM 66° 66° Mostly Cloudy 1%

0% Thunder
( 0% severe)
N   7 65% 54°
Low 59° NEW LONDON, CT 06320 weather forecast Day 2, 3 hours 5 AM 61° 60° Partly Cloudy NNW   7 70% 51°
High 75° NEW LONDON, CT 06320 weather forecast Day 2, 6 hours 8 AM 67° 67° Clear 6%

0% Thunder
( 0% severe)
NNW   8 56% 51°

Increasing Clouds



NEW LONDON, CT 06320 weather forecast Day 2, 9 hours 11 AM 75° 75° Clear NNW   9 43% 51°
NEW LONDON, CT 06320 weather forecast Day 2, 12 hours 2 PM 75° 75° Mostly Cloudy 19%
RAIN
<.01 in
0% Thunder
( 7% severe)
NNW   9 43% 51°
NEW LONDON, CT 06320 weather forecast Day 2, 15 hours 5 PM 72° 72° Partly Cloudy NNW   8 49% 52°
NEW LONDON, CT 06320 weather forecast Day 2, 18 hours 8 PM 66° 66° Partly Cloudy 1%

0% Thunder
( 2% severe)
N   5 61% 52°
NEW LONDON, CT 06320 weather forecast Day 2, 21 hours 11 PM 61° 62° Clear NNW   3 67% 50°
Friday
29 MAY 2026
NEW LONDON, CT 06320 weather forecast Day 3, 0 hours 2 AM 57° 57° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   3 75% 49°
Low 53° NEW LONDON, CT 06320 weather forecast Day 3, 3 hours 5 AM 55° 54° Clear NW   6 74% 47°
High 73° NEW LONDON, CT 06320 weather forecast Day 3, 6 hours 8 AM 62° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   6 60% 48°

Partly Cloudy



NEW LONDON, CT 06320 weather forecast Day 3, 9 hours 11 AM 71° 71° Partly Cloudy WNW   8 42% 47°
NEW LONDON, CT 06320 weather forecast Day 3, 15 hours 2 PM 73° 73° Partly Cloudy 2%

0% Thunder
( 1% severe)
WSW   10 41% 48°
NEW LONDON, CT 06320 weather forecast Day 3, 18 hours 5 PM 72° 72° Partly Cloudy SW   10 44% 49°
NEW LONDON, CT 06320 weather forecast Day 3, 21 hours 8 PM 66° 66° Mostly Cloudy     SSW   10 58% 51°

GROTON, CT extended weather forecast

Saturday
30 MAY 2026
Sunday
31 MAY 2026
Monday
1 JUN 2026
Tuesday
2 JUN 2026
Wednesday
3 JUN 2026
Low 50° Low 44° Low 52° Low 52° Low 53°
High 59° High 68° High 65° High 65° High 70°
NEW LONDON, CT 06320 weather forecast Day 4 NEW LONDON, CT 06320 weather forecast Day 5 NEW LONDON, CT 06320 weather forecast Day 6 NEW LONDON, CT 06320 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
48% Rain
Partly Cloudy
13% Rain
Mostly Cloudy
43% Rain
Overcast
56% Rain
Overcast
38% Rain
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