NEW LONDON, CT 06320 Weather Forecast & Current Conditions
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  06320 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

GROTON, CT
Current Weather
1:56 PM EDT AUG 17, 2025
Few Clouds
81°F
Feels Like: 86°F
Dewpoint: 73°F
Rel. Hum.: 77%
Visibility: 10 miles
Wind: S at 6 mph
Pressure: 29.88 inches
Last 72 hours

Local Area Snow Depth

Connecticut Current Weather

Connecticut MOS Forecast Weather


Regional Weather Maps

(Automated weather data from NWS/FAA)
  06320 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

NEW LONDON, CT 06320
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph.
TONIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Some thunderstorms may produce gusty winds in the evening. Humid with lows in the lower 60s. Southwest winds 5 to 10 mph, increasing to north 15 to 20 mph after midnight. Chance of rain 40 percent.
MONDAY
Mostly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Less humid with highs in the mid 70s. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
MONDAY NIGHT
Partly cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening.
TUESDAY
Mostly sunny. Highs in the mid 70s. Northeast winds 5 to 10 mph, becoming east 10 to 15 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60.
WEDNESDAY
Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 30 percent.
WEDNESDAY NIGHT
Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 30 percent.
THURSDAY
Partly sunny. A chance of showers in the morning. Highs in the upper 70s. Chance of rain 30 percent.
THURSDAY NIGHT
Partly cloudy in the evening, then clearing. Lows around 60.
FRIDAY
Sunny. Highs in the lower 80s.
FRIDAY NIGHT
Mostly clear. Lows in the mid 60s.
SATURDAY
Sunny. Highs in the lower 80s.

  06320 WEATHER SATELLITE LOOPS
Visible Weather Satellite
NEW LONDON, CT 06320
Infrared Weather Satellite
NEW LONDON, CT 06320
  06320 WEATHER RADAR LOOP
NEXRAD Weather Radar
NEW LONDON, CT 06320
 MOS COMPUTER WEATHER FORECAST

GROTON, CT 3 hourly weather forecast
weather forecast created  7:00 AM CDT  8/17/2025
Sunday
17 AUG 2025		 NEW LONDON, CT 06320 weather forecast Day 1, 12 hours 2 PM 80° 85° Partly Cloudy 17%
RAIN
<.01 in		 0% Thunder
( 17% severe)		 SW   12 85% 75°
High 81° NEW LONDON, CT 06320 weather forecast Day 1, 15 hours 5 PM 80° 85° Partly Cloudy SSW   12 82% 74°
Mostly Cloudy

Chance of Rain

 NEW LONDON, CT 06320 weather forecast Day 1, 18 hours 8 PM 77° 78° Mostly Cloudy 32%
RAIN
***		 0% Thunder
( 25% severe)		 SW   8 87% 73°
NEW LONDON, CT 06320 weather forecast Day 1, 21 hours 11 PM 74° 74° Mostly Cloudy W   5 93% 72°
Monday
18 AUG 2025		 NEW LONDON, CT 06320 weather forecast Day 2, 0 hours 2 AM 70° 70° Mostly Cloudy 20%
RAIN
.25–.5 in		 0% Thunder
( 7% severe)		 NNE   6 90% 67°
Low 63° NEW LONDON, CT 06320 weather forecast Day 2, 3 hours 5 AM 66° 66° Mostly Cloudy NNE   12 87% 62°
High 76° NEW LONDON, CT 06320 weather forecast Day 2, 6 hours 8 AM 65° 65° Mostly Cloudy 8%

 0% Thunder
( 1% severe)		 NE   14 84% 60°

Decreasing Clouds



 NEW LONDON, CT 06320 weather forecast Day 2, 9 hours 11 AM 69° 69° Partly Cloudy NE   13 68% 58°
NEW LONDON, CT 06320 weather forecast Day 2, 12 hours 2 PM 73° 73° Partly Cloudy 2%

 0% Thunder
( 0% severe)		 ENE   12 59% 58°
NEW LONDON, CT 06320 weather forecast Day 2, 15 hours 5 PM 73° 73° Clear E   10 55% 56°
NEW LONDON, CT 06320 weather forecast Day 2, 18 hours 8 PM 67° 67° Partly Cloudy 1%

 0% Thunder
( 0% severe)		 E   9 59% 52°
NEW LONDON, CT 06320 weather forecast Day 2, 21 hours 11 PM 62° 62° Partly Cloudy ENE   7 67% 51°
Tuesday
19 AUG 2025		 NEW LONDON, CT 06320 weather forecast Day 3, 0 hours 2 AM 58° 58° Partly Cloudy 1%

 0% Thunder
( 0% severe)		 ENE   5 77% 51°
Low 54° NEW LONDON, CT 06320 weather forecast Day 3, 3 hours 5 AM 56° 55° Partly Cloudy NE   6 80% 50°
High 75° NEW LONDON, CT 06320 weather forecast Day 3, 6 hours 8 AM 62° 61° Partly Cloudy 3%

 0% Thunder
( 0% severe)		 NE   8 75% 54°

Partly Cloudy



 NEW LONDON, CT 06320 weather forecast Day 3, 9 hours 11 AM 70° 70° Partly Cloudy E   10 59% 55°
NEW LONDON, CT 06320 weather forecast Day 3, 15 hours 2 PM 72° 72° Partly Cloudy 4%

 0% Thunder
( 0% severe)		 ESE   10 57% 56°
NEW LONDON, CT 06320 weather forecast Day 3, 18 hours 5 PM 71° 71° Partly Cloudy ESE   10 61% 57°
NEW LONDON, CT 06320 weather forecast Day 3, 21 hours 8 PM 67° 67° Partly Cloudy     ESE   8 73% 58°

GROTON, CT extended weather forecast
Wednesday
20 AUG 2025		 Thursday
21 AUG 2025		 Friday
22 AUG 2025		 Saturday
23 AUG 2025		 Sunday
24 AUG 2025
Low 60° Low 58° Low 60° Low 67° Low 68°
High 75° High 78° High 80° High 79° High 80°
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
20% Rain		 Partly Cloudy
13% Rain		 Clear
19% Rain		 Partly Cloudy
32% Rain		 Overcast
58% Rain
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