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
3:56 AM EDT JUL 16, 2025
NA
Feels Like: NA
Dewpoint: NA
Rel. Hum.: NA%
Visibility:
Wind:
Pressure: 30.04 inches
Last 72 hours

Local Area Snow Depth

Connecticut Current Weather

Connecticut MOS Forecast Weather


Weather Map

(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
OVERNIGHT
Mostly cloudy. Patchy fog. Near steady temperature in the lower 70s. Light and variable winds.
WEDNESDAY
Patchy fog in the morning. Mostly sunny. Humid with highs in the mid 80s. South winds 5 to 10 mph. Heat index values in the mid 90s in the afternoon.
WEDNESDAY NIGHT
Mostly cloudy. A slight chance of showers after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
THURSDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 50 percent. Heat index values in the mid 90s in the afternoon.
THURSDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 40 percent.
FRIDAY
Sunny. Highs in the mid 80s.
FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s.
SATURDAY
Mostly sunny. Highs around 80.
SATURDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.
SUNDAY
Mostly cloudy. A chance of showers. Highs around 80. Chance of rain 50 percent.
SUNDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 50 percent.
MONDAY
Mostly sunny. Highs in the lower 80s.
MONDAY NIGHT
Partly cloudy. Lows in the mid 60s.

  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 PM CDT  7/15/2025
Wednesday
16 JUL 2025		 NEW LONDON, CT 06320 weather forecast Day 1, 0 hours 2 AM 72° 72° Partly Cloudy 0%

 0% Thunder
( 2% severe)		   CALM 100% 72°
Low 70° NEW LONDON, CT 06320 weather forecast Day 1, 3 hours 5 AM 71° 71° Mostly Cloudy   CALM 100% 71°
High 82° NEW LONDON, CT 06320 weather forecast Day 1, 6 hours 8 AM 75° 75° Mostly Cloudy 1%

 0% Thunder
( 5% severe)		 SSW   1 100% 75°

Partly Cloudy



 NEW LONDON, CT 06320 weather forecast Day 1, 9 hours 11 AM 78° 81° Partly Cloudy SSW   6 94% 76°
NEW LONDON, CT 06320 weather forecast Day 1, 12 hours 2 PM 82° 90° Partly Cloudy 1%

 0% Thunder
( 9% severe)		 S   8 85% 77°
NEW LONDON, CT 06320 weather forecast Day 1, 15 hours 5 PM 81° 87° Partly Cloudy SSW   8 85% 76°
NEW LONDON, CT 06320 weather forecast Day 1, 18 hours 8 PM 77° 78° Mostly Cloudy 4%

 0% Thunder
( 6% severe)		 SSW   7 94% 75°
NEW LONDON, CT 06320 weather forecast Day 1, 21 hours 11 PM 74° 74° Mostly Cloudy SSW   5 100% 74°
Thursday
17 JUL 2025		 NEW LONDON, CT 06320 weather forecast Day 2, 0 hours 2 AM 74° 74° Mostly Cloudy 15%
RAIN
<.01 in		 0% Thunder
( 12% severe)		 SSW   5 97% 73°
Low 72° NEW LONDON, CT 06320 weather forecast Day 2, 3 hours 5 AM 73° 73° Mostly Cloudy SSW   6 100% 73°
High 82° NEW LONDON, CT 06320 weather forecast Day 2, 6 hours 8 AM 76° 75° Mostly Cloudy 26%
RAIN
.25–.5 in		 0% Thunder
( 20% severe)		 SW   7 100% 76°

Mostly Cloudy

Chance of Rain

 NEW LONDON, CT 06320 weather forecast Day 2, 9 hours 11 AM 77° 78° Mostly Cloudy SW   10 100% 77°
NEW LONDON, CT 06320 weather forecast Day 2, 12 hours 2 PM 81° 89° Mostly Cloudy 27%
RAIN
.01–.1 in		 0% Thunder
( 27% severe)		 SSW   13 91% 78°
NEW LONDON, CT 06320 weather forecast Day 2, 15 hours 5 PM 80° 86° Mostly Cloudy SSW   12 91% 77°
NEW LONDON, CT 06320 weather forecast Day 2, 18 hours 8 PM 78° 81° Partly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 7% severe)		 SW   9 94% 76°
NEW LONDON, CT 06320 weather forecast Day 2, 21 hours 11 PM 76° 76° Partly Cloudy SW   8 94% 74°

GROTON, CT extended weather forecast
BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE		 BAD DAY
BAD DATE
Low 72° Low 74° Low 63° Low 64° Low 67°
High 84° High 83° High 79° High 77° High 79°
NEW LONDON, CT 06320 weather forecast Day 3 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
Overcast
56% Rain		 Partly Cloudy
14% Rain		 Clear
11% Rain		 Mostly Cloudy
34% Rain		 Mostly Cloudy
66% Rain
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