GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
6:56 PM EDT OCT 14, 2026
Clear 70°F
Feels Like:	70°F
Dewpoint:	64°F
Rel. Hum.:	81%
Visibility:	10 miles
Wind:	NW at 6 mph
Pressure:	29.83 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 2026 Hurricanes	GROTON, CT 06340 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly sunny. Highs in the upper 70s. West winds 5 to 10 mph with gusts up to 20 mph.

TONIGHT
Mostly clear. Less humid with lows in the upper 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

THURSDAY
Sunny. Highs in the lower 60s. North winds 5 to 10 mph.

THURSDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 40s. Southeast winds 5 to 10 mph. Gusts up to 20 mph after midnight. Chance of rain 50 percent.

FRIDAY
Showers. More humid with highs in the upper 60s. Southeast winds 10 to 15 mph, becoming southwest in the afternoon. Gusts up to 30 mph. Chance of rain 90 percent.

FRIDAY NIGHT
Showers. Lows in the mid 40s. Chance of rain 80 percent.

SATURDAY
Partly sunny. A chance of showers in the morning. Cooler with highs in the lower 50s. Chance of rain 30 percent.

SATURDAY NIGHT
Mostly clear. Lows in the mid 30s.

SUNDAY
Sunny. Highs in the mid 50s.

SUNDAY NIGHT
Mostly clear. Lows around 40.

MONDAY
Sunny. Highs in the lower 60s.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.

TUESDAY
Mostly sunny. Highs in the mid 60s.

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 10/14/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
14 OCT 2026

2 PM

76°

78°

Mostly Cloudy

19%
RAIN
.25–.5 in

0% Thunder
( 7% severe)

W 13

69%

65°

High 77°

5 PM

74°

74°

Partly Cloudy

W 10

69%

63°

Decreasing Clouds

8 PM

67°

67°

Partly Cloudy

1%

0% Thunder
( 0% severe)

NNW 8

75%

59°

11 PM

61°

60°

Clear

NW 10

78%

54°

Thursday
15 OCT 2026

2 AM

55°

52°

Clear

0%

0% Thunder
( 0% severe)

NNW 9

83%

50°

Low 49°

5 AM

52°

49°

Clear

NNW 9

83%

47°

High 64°

8 AM

50°

46°

Partly Cloudy

0%

0% Thunder
( 0% severe)

N 9

83%

45°

Clear

11 AM

58°

56°

Clear

N 10

53%

41°

2 PM

62°

62°

Clear

0%

0% Thunder
( 0% severe)

NNE 6

44%

40°

5 PM

59°

59°

Clear

E 5

47%

39°

8 PM

52°

52°

Partly Cloudy

0%

0% Thunder
( 0% severe)

E 3

71%

43°

11 PM

50°

48°

Partly Cloudy

SE 5

83%

45°

Friday
16 OCT 2026

2 AM

51°

48°

Partly Cloudy

45%
RAIN
.25–.5 in

0% Thunder
( 5% severe)

SE 8

80%

45°

Low 48°

5 AM

52°

48°

Mostly Cloudy

SE 12

83%

47°

High 69°

8 AM

54°

50°

Mostly Cloudy

97%
RAIN
***

0% Thunder
( 5% severe)

SE 14

96%

53°

Mostly Cloudy

Rain

11 AM

62°

60°

Mostly Cloudy

SSE 15

97%

61°

2 PM

67°

67°

Mostly Cloudy

66%
RAIN
***

0% Thunder
( 14% severe)

SSW 16

97%

66°

5 PM

67°

67°

Mostly Cloudy

SW 15

93%

65°

8 PM

64°

63°

Mostly Cloudy

SW 15

97%

63°


GROTON, CT extended weather forecast
Saturday 17 OCT 2026	Sunday 18 OCT 2026	Monday 19 OCT 2026	Tuesday 20 OCT 2026	Wednesday 21 OCT 2026
Low 49°	Low 33°	Low 41°	Low 50°	Low 48°
High 55°	High 60°	High 63°	High 65°	High 64°

Mostly Cloudy 95% Rain	Clear 6% Rain	Clear 16% Rain	Partly Cloudy 23% Rain	Partly Cloudy 34% Rain

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