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 AM EDT MAY 15, 2025
Overcast
Light Rain
59°F
Feels Like: 58°F
Dewpoint: 59°F
Rel. Hum.: 100%
Visibility: 9 miles
Wind: ESE at 7 mph
Pressure: 29.98 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
2024 Hurricanes

NEW LONDON, CT 06320
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
TONIGHT
Cloudy. Showers likely late this evening, then a chance of showers after midnight. Patchy fog. Lows in the mid 50s. East winds 10 to 15 mph. Chance of rain 70 percent.
THURSDAY
Cloudy. A chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Patchy fog. Highs in the upper 60s. East winds around 5 mph. Chance of rain 40 percent.
THURSDAY NIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the upper 50s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of rain 30 percent.
FRIDAY
Mostly cloudy in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. South winds around 5 mph. Chance of rain 20 percent.
FRIDAY NIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 30 percent.
SATURDAY
Mostly cloudy. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 70. Chance of rain 50 percent.
SATURDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 50s. Chance of rain 50 percent.
SUNDAY
Mostly sunny. Highs in the lower 70s.
SUNDAY NIGHT
Partly cloudy. Lows in the lower 50s.
MONDAY
Mostly sunny. Highs in the upper 60s.
MONDAY NIGHT
Partly cloudy. Lows in the upper 40s.
TUESDAY
Mostly sunny. Highs in the mid 60s.
TUESDAY NIGHT
Mostly cloudy. Lows in the upper 40s.

  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  5/14/2025
Thursday
15 MAY 2025		 NEW LONDON, CT 06320 weather forecast Day 1, 0 hours 2 AM 57° 55° Mostly Cloudy 37%
RAIN
.5–1 in		 0% Thunder
( 13% severe)		 ESE   8 96% 56°
Low 56° NEW LONDON, CT 06320 weather forecast Day 1, 3 hours 5 AM 57° 56° Mostly Cloudy ESE   6 100% 57°
High 67° NEW LONDON, CT 06320 weather forecast Day 1, 6 hours 8 AM 59° 59° Mostly Cloudy 14%
RAIN
<.01 in		 0% Thunder
( 6% severe)		 E   5 93% 57°

Mostly Cloudy



 NEW LONDON, CT 06320 weather forecast Day 1, 9 hours 11 AM 62° 63° Mostly Cloudy E   3 90% 59°
NEW LONDON, CT 06320 weather forecast Day 1, 12 hours 2 PM 65° 65° Mostly Cloudy 15%
RAIN
<.01 in		 0% Thunder
( 12% severe)		 ESE   5 84% 60°
NEW LONDON, CT 06320 weather forecast Day 1, 15 hours 5 PM 63° 64° Mostly Cloudy ESE   5 87% 59°
NEW LONDON, CT 06320 weather forecast Day 1, 18 hours 8 PM 60° 61° Mostly Cloudy 10%
RAIN
<.01 in		 0% Thunder
( 6% severe)		 ESE   1 93% 58°
NEW LONDON, CT 06320 weather forecast Day 1, 21 hours 11 PM 59° 60° Mostly Cloudy   CALM 96% 58°
Friday
16 MAY 2025		 NEW LONDON, CT 06320 weather forecast Day 2, 0 hours 2 AM 58° 59° Mostly Cloudy 7%

 0% Thunder
( 2% severe)		   CALM 96% 57°
Low 56° NEW LONDON, CT 06320 weather forecast Day 2, 3 hours 5 AM 58° 59° Mostly Cloudy   CALM 96% 57°
High 70° NEW LONDON, CT 06320 weather forecast Day 2, 6 hours 8 AM 62° 63° Mostly Cloudy 1%

 0% Thunder
( 3% severe)		   CALM 90% 59°

Mostly Cloudy



 NEW LONDON, CT 06320 weather forecast Day 2, 9 hours 11 AM 66° 66° Mostly Cloudy S   1 81% 60°
NEW LONDON, CT 06320 weather forecast Day 2, 12 hours 2 PM 68° 68° Mostly Cloudy 13%
RAIN
<.01 in		 0% Thunder
( 9% severe)		 S   7 76% 60°
NEW LONDON, CT 06320 weather forecast Day 2, 15 hours 5 PM 66° 66° Mostly Cloudy S   6 78% 59°
NEW LONDON, CT 06320 weather forecast Day 2, 18 hours 8 PM 61° 62° Mostly Cloudy 16%
RAIN
<.01 in		 0% Thunder
( 10% severe)		 S   3 93% 59°
NEW LONDON, CT 06320 weather forecast Day 2, 21 hours 11 PM 59° 60° Mostly Cloudy S   2 96% 58°

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 57° Low 54° Low 55° Low 46° Low 42°
High 69° High 67° High 67° High 60° High 59°
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
55% Rain		 Overcast
76% Rain		 Overcast
44% Rain		 Partly Cloudy
33% Rain		 Mostly Cloudy
26% Rain
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