GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
12:56 AM EST DEC 14, 2025
Overcast Light Snow Mist 32°F
Feels Like:	29°F
Dewpoint:	30°F
Rel. Hum.:	92%
Visibility:	1 3/4 miles
Wind:	WNW at 3 mph
Pressure:	30.00 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
Snow this morning, then partly sunny with a chance of snow this afternoon. Snow accumulation of 1 to 3 inches. Highs in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow near 100 percent.

TONIGHT
Partly cloudy in the evening, then clearing. Cooler with lows around 13. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 4 below.

MONDAY
Sunny, cold with highs in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 3 below in the morning.

MONDAY NIGHT
Mostly cloudy with a chance of snow showers in the evening, then partly cloudy after midnight. Lows around 19. West winds 5 to 10 mph with gusts up to 20 mph. Chance of snow 30 percent.

TUESDAY
Sunny. Highs in the mid 30s. West winds 5 to 10 mph.

TUESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 20s.

WEDNESDAY
Mostly sunny. Highs in the lower 40s.

WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 20s.

THURSDAY
Partly sunny. Highs around 50.

THURSDAY NIGHT
Mostly cloudy. A chance of rain in the evening, then rain after midnight. Not as cool with lows in the lower 40s. Chance of rain 80 percent.

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

FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Much cooler with lows in the lower 20s.

SATURDAY
Partly sunny. Highs in the lower 40s.

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 6:00 PM CST 12/13/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
14 DEC 2025

1 AM

31°

26°

Overcast

98%
SNOW
***

0% Thunder
( 2% severe)

W 5

88%

28°

Low 27°

4 AM

30°

25°

Mostly Cloudy

NW 5

92%

28°

High 33°

7 AM

28°

21°

Overcast

89%
SNOW
***

0% Thunder
( 1% severe)

NNW 7

92%

26°

Mostly Cloudy

Snow Likely

10 AM

30°

20°

Mostly Cloudy

NNW 12

77%

24°

1 PM

31°

21°

Mostly Cloudy

10%
SNOW
.1–1 in

0% Thunder
( 1% severe)

NNW 14

61%

20°

4 PM

28°

16°

Mostly Cloudy

NW 15

57%

16°

7 PM

23°

10°

Mostly Cloudy

2%

0% Thunder
( 1% severe)

NNW 15

62%

13°

10 PM

19°

5°

Partly Cloudy

NNW 15

58%

8°

Monday
15 DEC 2025

1 AM

16°

1°

Clear

0%

0% Thunder
( 0% severe)

NW 15

51%

3°

Low 12°

4 AM

14°

-2°

Clear

NW 16

53%

2°

High 29°

7 AM

14°

-2°

Clear

0%

0% Thunder
( 0% severe)

NW 15

60%

4°

Increasing Clouds

10 AM

21°

7°

Clear

NW 16

50%

7°

1 PM

27°

15°

Partly Cloudy

0%

0% Thunder
( 1% severe)

WNW 16

44%

10°

4 PM

27°

16°

Mostly Cloudy

WNW 13

47%

11°

7 PM

25°

15°

Mostly Cloudy

5%

0% Thunder
( 3% severe)

W 9

56%

13°

10 PM

24°

14°

Mostly Cloudy

W 9

68%

16°


GROTON, CT extended weather forecast
Tuesday 16 DEC 2025	Wednesday 17 DEC 2025	Thursday 18 DEC 2025	Friday 19 DEC 2025	Saturday 20 DEC 2025
Low 19°	Low 27°	Low 30°	Low 36°	Low 22°
High 33°	High 47°	High 40°	High 46°	High 40°

Partly Cloudy 11% Snow	Partly Cloudy 13% Rain/Snow	Partly Cloudy 18% Rain/Snow	Overcast 78% Rain	Clear 19% Snow

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