GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
4:56 AM EDT SEP 2, 2026
Broken Clouds 61°F
Feels Like:	60°F
Dewpoint:	59°F
Rel. Hum.:	93%
Visibility:	10 miles
Wind:	NE at 8 mph
Pressure:	30.10 inches
Last 72 hours
Local Area Snow Depth
Connecticut Current Weather
Connecticut MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

06340 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	GROTON, CT 06340 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Partly sunny this morning, then becoming mostly cloudy. Highs in the lower 70s. East winds 5 to 10 mph.

TONIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

THURSDAY
Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

THURSDAY NIGHT
Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy after midnight. Humid with lows in the mid 60s. West winds around 5 mph. Chance of rain 70 percent.

FRIDAY
Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph.

FRIDAY NIGHT
Mostly clear. Lows in the upper 50s.

SATURDAY
Sunny. Highs in the mid 70s.

SATURDAY NIGHT
Partly cloudy. Lows in the mid 50s.

SUNDAY
Sunny. Highs in the lower 70s.

SUNDAY NIGHT
Mostly clear. Lows in the mid 50s.

LABOR DAY
Sunny. Highs in the mid 70s.

MONDAY NIGHT
Partly cloudy. Lows around 60.

TUESDAY
Mostly sunny. Highs in the mid 70s.

06340 WEATHER SATELLITE LOOPS

Visible Weather Satellite
GROTON, CT 06340

Infrared Weather Satellite
GROTON, CT 06340

06340 WEATHER RADAR LOOP

NEXRAD Weather Radar
GROTON, CT 06340

MOS COMPUTER WEATHER FORECAST

GROTON, CT 3 hourly weather forecast

weather forecast created 7:00 PM CDT 9/ 1/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
2 SEP 2026

2 AM

61°

60°

Mostly Cloudy

2%

0% Thunder
( 1% severe)

ENE 9

100%

61°

Low 60°

5 AM

61°

60°

Mostly Cloudy

NE 10

100%

61°

High 72°

8 AM

63°

62°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

NE 10

93%

61°

Mostly Cloudy

11 AM

69°

69°

Partly Cloudy

E 12

78%

62°

2 PM

71°

71°

Mostly Cloudy

2%

0% Thunder
( 0% severe)

ESE 12

73%

62°

5 PM

70°

70°

Mostly Cloudy

ESE 9

76%

62°

8 PM

65°

65°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 2% severe)

ESE 7

87%

61°

11 PM

63°

63°

Mostly Cloudy

ESE 6

97%

62°

Thursday
3 SEP 2026

2 AM

63°

64°

Mostly Cloudy

66%
RAIN
***

0% Thunder
( 19% severe)

ESE 5

100%

63°

Low 62°

5 AM

65°

65°

Mostly Cloudy

S 5

100%

65°

High 75°

8 AM

69°

69°

Mostly Cloudy

44%
RAIN
***

0% Thunder
( 16% severe)

SSW 8

97%

68°

Mostly Cloudy

Chance of Rain

11 AM

72°

72°

Mostly Cloudy

SSW 12

97%

71°

2 PM

74°

74°

Mostly Cloudy

30%
RAIN
>2 in

0% Thunder
( 28% severe)

SW 13

93%

72°

5 PM

75°

75°

Mostly Cloudy

SW 9

90%

72°

8 PM

72°

72°

Mostly Cloudy

23%
RAIN
.01–.1 in

0% Thunder
( 11% severe)

WSW 6

97%

71°

11 PM

70°

70°

Partly Cloudy

W 5

100%

70°


GROTON, CT extended weather forecast
Friday 4 SEP 2026	Saturday 5 SEP 2026	Sunday 6 SEP 2026	Monday 7 SEP 2026	Tuesday 8 SEP 2026
Low 66°	Low 63°	Low 57°	Low 57°	Low 62°
High 84°	High 74°	High 78°	High 77°	High 79°

Partly Cloudy 37% Rain	Partly Cloudy 34% Rain	Clear 12% Rain	Clear 6% Rain	Partly Cloudy 13% Rain

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