GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
1:56 AM EDT OCT 11, 2025
Overcast 55°F
Feels Like:	52°F
Dewpoint:	46°F
Rel. Hum.:	72%
Visibility:	10 miles
Wind:	SSW at 10 mph
Pressure:	30.30 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 2025 Hurricanes	GROTON, CT 06340 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Partly sunny. Highs in the mid 60s. East winds 5 to 10 mph. Gusts up to 20 mph this afternoon.

TONIGHT
Mostly cloudy. A chance of rain after midnight. Lows in the lower 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.

SUNDAY
Cloudy. A chance of rain in the morning, then rain likely in the afternoon. Breezy with highs in the lower 60s. Northeast winds 15 to 25 mph. Gusts up to 30 mph, increasing to 40 mph in the afternoon. Chance of rain 70 percent.

SUNDAY NIGHT
Rain, breezy with lows in the lower 50s. Northeast winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 90 percent.

COLUMBUS DAY
Rain, breezy with highs around 60. Northeast winds 20 to 25 mph with gusts up to 45 mph. Chance of rain 90 percent.

MONDAY NIGHT
Rain, breezy with lows around 50. Chance of rain 90 percent.

TUESDAY
Mostly cloudy with rain in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 90 percent.

TUESDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the upper 40s. Chance of rain 50 percent.

WEDNESDAY
Mostly sunny. Highs in the mid 60s.

WEDNESDAY NIGHT
Partly cloudy. Lows in the lower 40s.

THURSDAY
Mostly sunny. Highs in the mid 50s.

THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows around 40.

FRIDAY
Sunny. Highs around 60.

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 10/10/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
11 OCT 2025

2 AM

51°

50°

Mostly Cloudy

9%

0% Thunder
( 2% severe)

SSW 5

86%

47°

Low 50°

5 AM

51°

50°

Mostly Cloudy

SSE 3

89%

48°

High 63°

8 AM

54°

54°

Mostly Cloudy

7%

0% Thunder
( 1% severe)

E 3

90%

51°

Mostly Cloudy

11 AM

60°

59°

Mostly Cloudy

SE 9

81%

54°

2 PM

63°

62°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 0% severe)

ESE 10

78%

56°

5 PM

61°

60°

Partly Cloudy

E 10

84%

56°

8 PM

56°

54°

Mostly Cloudy

20%
RAIN
<.01 in

0% Thunder
( 0% severe)

E 9

100%

56°

11 PM

55°

52°

Mostly Cloudy

ENE 12

100%

55°

Sunday
12 OCT 2025

2 AM

54°

50°

Mostly Cloudy

34%
RAIN
<.01 in

0% Thunder
( 1% severe)

ENE 13

100%

54°

Low 51°

5 AM

54°

50°

Mostly Cloudy

ENE 16

93%

52°

High 61°

8 AM

56°

52°

Mostly Cloudy

55%
RAIN
***

0% Thunder
( 3% severe)

NE 17

90%

53°

Mostly Cloudy

Rain Likely

Breezy

11 AM

59°

56°

Mostly Cloudy

NE 18

87%

55°

2 PM

61°

58°

Mostly Cloudy

68%
RAIN
***

0% Thunder
( 4% severe)

NE 20

84%

56°

5 PM

57°

53°

Mostly Cloudy

NE 21

93%

55°

8 PM

55°

50°

Mostly Cloudy

77%
RAIN
***

0% Thunder
( 2% severe)

NE 20

100%

55°

11 PM

54°

48°

Mostly Cloudy

NE 23

100%

54°


GROTON, CT extended weather forecast
Monday 13 OCT 2025	Tuesday 14 OCT 2025	Wednesday 15 OCT 2025	Thursday 16 OCT 2025	Friday 17 OCT 2025
Low 56°	Low 56°	Low 49°	Low 40°	Low 41°
High 62°	High 61°	High 64°	High 55°	High 61°

Overcast 91% Rain	Overcast 69% Rain	Partly Cloudy 28% Rain	Partly Cloudy 14% Rain	Partly Cloudy 22% Rain

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