GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
11:56 AM EDT OCT 11, 2026
Broken Clouds 61°F
Feels Like:	60°F
Dewpoint:	45°F
Rel. Hum.:	56%
Visibility:	10 miles
Wind:	ESE at 10 mph
Pressure:	30.34 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

THIS AFTERNOON
A slight chance of rain early, then rain. Highs in the lower 60s. Southeast winds 10 to 15 mph. Chance of rain near 100 percent.

TONIGHT
Rain in the evening, then rain with a slight chance of thunderstorms after midnight. Lows in the lower 50s. East winds 10 to 15 mph, becoming northeast after midnight. Gusts up to 30 mph. Chance of rain near 100 percent.

COLUMBUS DAY
Mostly cloudy with a slight chance of rain in the morning, then sunny in the afternoon. Highs in the upper 60s. North winds 10 to 15 mph. Chance of rain 20 percent.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. North winds around 5 mph.

TUESDAY
Partly sunny. Highs in the mid 60s. East winds 5 to 10 mph, becoming south with gusts up to 20 mph in the afternoon.

TUESDAY NIGHT
Mostly cloudy. A chance of showers. Lows in the upper 50s. Chance of rain 40 percent.

WEDNESDAY
Partly sunny. A chance of showers in the morning. Highs in the lower 70s. Chance of rain 40 percent.

WEDNESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.

THURSDAY
Sunny. Highs in the mid 60s.

THURSDAY NIGHT
Partly cloudy. Lows in the mid 40s.

FRIDAY
Partly sunny in the morning, then becoming mostly cloudy. A 50 percent chance of showers. Highs in the mid 60s.

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

SATURDAY
Partly sunny with a 50 percent chance of showers. Highs 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 PM CDT 10/10/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
11 OCT 2026

2 AM

51°

50°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

E 3

89%

48°

Low 50°

5 AM

51°

49°

Mostly Cloudy

ESE 6

89%

48°

High 63°

8 AM

55°

52°

Mostly Cloudy

9%

0% Thunder
( 0% severe)

ESE 9

77%

48°

Mostly Cloudy

Rain Likely

11 AM

61°

59°

Mostly Cloudy

SE 13

62%

48°

2 PM

62°

61°

Mostly Cloudy

88%
RAIN
***

0% Thunder
( 4% severe)

ESE 12

75%

54°

5 PM

60°

58°

Mostly Cloudy

E 10

84%

55°

8 PM

57°

54°

Mostly Cloudy

98%
RAIN
***

0% Thunder
( 13% severe)

E 12

100%

57°

11 PM

58°

55°

Mostly Cloudy

E 14

100%

58°

Monday
12 OCT 2026

2 AM

58°

55°

Mostly Cloudy

34%
RAIN
.5–1 in

0% Thunder
( 19% severe)

NNE 13

100%

58°

Low 54°

5 AM

58°

55°

Mostly Cloudy

NNE 13

100%

58°

High 68°

8 AM

57°

54°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 5% severe)

NNE 13

100%

57°

Decreasing Clouds

11 AM

61°

59°

Mostly Cloudy

N 13

93%

59°

2 PM

67°

67°

Partly Cloudy

1%

0% Thunder
( 1% severe)

NA 10

78%

60°

5 PM

68°

68°

Clear

NNW 6

70%

58°

8 PM

59°

60°

Partly Cloudy

0%

0% Thunder
( 0% severe)

CALM

93%

57°

11 PM

57°

58°

Clear

CALM

100%

57°


GROTON, CT extended weather forecast
Tuesday 13 OCT 2026	Wednesday 14 OCT 2026	Thursday 15 OCT 2026	Friday 16 OCT 2026	Saturday 17 OCT 2026
Low 58°	Low 59°	Low 49°	Low 41°	Low 54°
High 65°	High 73°	High 61°	High 61°	High 60°

Overcast 15% Rain	Overcast 31% Rain	Partly Cloudy 33% Rain	Mostly Cloudy 32% Rain	Overcast 83% Rain

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