GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
9:56 PM EDT JUN 9, 2026
Clear 61°F
Feels Like:	60°F
Dewpoint:	52°F
Rel. Hum.:	72%
Visibility:	10 miles
Wind:	WSW at 8 mph
Pressure:	30.05 inches
Last 72 hours
Local Area Snow Depth
Connecticut Current Weather
Connecticut MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

06340 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	GROTON, CT 06340 Weather Forecast	Snowfall Forecast pages Snow Depth pages

REST OF TONIGHT
Mostly clear. Lows in the upper 50s. Southwest winds 5 to 10 mph.

WEDNESDAY
Partly sunny in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 20 percent.

WEDNESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

THURSDAY
Partly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50 percent. Heat index values in the upper 90s in the afternoon.

THURSDAY NIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Humid with lows in the upper 60s. West winds around 5 mph. Chance of rain 50 percent.

FRIDAY
Partly sunny. A chance of showers in the morning. Highs in the mid 80s. Chance of rain 40 percent.

FRIDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent.

SATURDAY
Partly sunny. A chance of showers in the morning. Highs in the upper 80s. Chance of rain 30 percent.

SATURDAY NIGHT
Mostly clear. Lows in the lower 60s.

SUNDAY
Sunny. Highs in the mid 80s.

SUNDAY NIGHT
Partly cloudy. Lows in the lower 60s.

MONDAY
Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

MONDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s.

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 AM CDT 6/ 9/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
9 JUN 2026

2 PM

78°

78°

Clear

0%

0% Thunder
( 0% severe)

SW 14

35%

48°

High 79°

5 PM

76°

78°

Partly Cloudy

SW 14

36%

47°

Partly Cloudy

8 PM

67°

67°

Partly Cloudy

0%

0% Thunder
( 1% severe)

SW 12

54%

50°

11 PM

63°

63°

Clear

SW 8

70%

53°

Wednesday
10 JUN 2026

2 AM

62°

62°

Partly Cloudy

3%

0% Thunder
( 0% severe)

SW 7

81%

56°

Low 58°

5 AM

61°

60°

Partly Cloudy

SW 8

84%

56°

High 76°

8 AM

68°

68°

Partly Cloudy

9%

0% Thunder
( 3% severe)

SW 9

68%

57°

Mostly Cloudy

Chance of Rain

11 AM

76°

78°

Mostly Cloudy

SW 12

58%

60°

2 PM

76°

78°

Mostly Cloudy

32%
RAIN
***

0% Thunder
( 11% severe)

SSW 13

64%

63°

5 PM

73°

73°

Mostly Cloudy

SSW 12

71%

63°

8 PM

68°

68°

Mostly Cloudy

61%
RAIN
1–2 in

0% Thunder
( 29% severe)

SSW 10

87%

64°

11 PM

66°

66°

Mostly Cloudy

SSW 9

93%

64°

Thursday
11 JUN 2026

2 AM

66°

66°

Mostly Cloudy

23%
RAIN
.01–.1 in

0% Thunder
( 13% severe)

SSW 8

93%

64°

Low 60°

5 AM

65°

65°

Mostly Cloudy

SSW 6

93%

63°

High 87°

8 AM

71°

71°

Mostly Cloudy

8%

0% Thunder
( 6% severe)

SW 6

81%

65°

Mostly Cloudy

Chance of Rain

11 AM

82°

85°

Mostly Cloudy

WSW 9

63%

68°

2 PM

87°

92°

Partly Cloudy

38%
RAIN
.5–1 in

0% Thunder
( 24% severe)

WSW 10

57%

70°

5 PM

86°

91°

Partly Cloudy

WSW 8

59%

70°

8 PM

78°

80°

Partly Cloudy

WSW 6

76%

70°


GROTON, CT extended weather forecast
Friday 12 JUN 2026	Saturday 13 JUN 2026	Sunday 14 JUN 2026	Monday 15 JUN 2026	Tuesday 16 JUN 2026
Low 67°	Low 62°	Low 60°	Low 58°	Low 58°
High 77°	High 76°	High 78°	High 68°	High 72°

Partly Cloudy 53% Rain	Mostly Cloudy 52% Rain	Partly Cloudy 16% Rain	Overcast 50% Rain	Overcast 68% Rain

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