GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
4:56 AM EST FEB 25, 2026
Broken Clouds 30°F
Feels Like:	19°F
Dewpoint:	21°F
Rel. Hum.:	67%
Visibility:	10 miles
Wind:	S at 14 mph
Pressure:	29.82 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 a chance of rain and snow this afternoon. Snow accumulation of 1 to 3 inches. Highs in the upper 30s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation near 100 percent.

TONIGHT
Mostly cloudy in the evening, then clearing. Not as cool with lows in the upper 20s. West winds 5 to 10 mph with gusts up to 20 mph.

THURSDAY
Partly sunny. A slight chance of snow in the afternoon. Highs in the upper 30s. West winds around 5 mph. Chance of snow 20 percent.

THURSDAY NIGHT
Partly cloudy. A slight chance of snow in the evening. Lows in the lower 20s. Northwest winds around 5 mph. Chance of snow 20 percent.

FRIDAY
Mostly sunny. Highs in the upper 30s. North winds around 5 mph, becoming southwest in the afternoon.

FRIDAY NIGHT
Mostly clear. Lows in the mid 20s.

SATURDAY
Mostly sunny. Highs in the mid 40s.

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

SUNDAY
Mostly sunny. Highs in the upper 30s.

SUNDAY NIGHT
Partly cloudy. Lows 15 to 20.

MONDAY
Partly sunny with a 40 percent chance of snow. Highs in the upper 20s.

MONDAY NIGHT
Mostly cloudy. A chance of snow in the evening. Lows around 15. Chance of snow 40 percent.

TUESDAY
Partly sunny. A chance of snow in the afternoon. Highs in the mid 30s. Chance of snow 30 percent.

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 2/24/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
25 FEB 2026

1 AM

18°

13°

Clear

23%
SNOW
<.1 in

0% Thunder
( 0% severe)

W 2

57%

7°

Low 17°

4 AM

23°

15°

Mostly Cloudy

S 7

65%

14°

High 38°

7 AM

31°

21°

Mostly Cloudy

96%
SNOW
***

0% Thunder
( 2% severe)

S 13

74%

24°

Mostly Cloudy

Snow

10 AM

34°

24°

Mostly Cloudy

SSW 16

82%

29°

1 PM

36°

26°

Mostly Cloudy

17%
RAIN
.01–.1 in

0% Thunder
( 0% severe)

SW 16

79%

30°

4 PM

36°

27°

Mostly Cloudy

SW 14

82%

31°

7 PM

36°

28°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

SW 10

79%

30°

10 PM

36°

29°

Partly Cloudy

WSW 9

79%

30°

Thursday
26 FEB 2026

1 AM

35°

28°

Partly Cloudy

1%

0% Thunder
( 1% severe)

W 9

78%

29°

Low 29°

4 AM

32°

24°

Partly Cloudy

W 9

78%

26°

High 37°

7 AM

29°

22°

Partly Cloudy

4%

0% Thunder
( 0% severe)

WNW 7

70%

21°

Mostly Cloudy

Chance of Snow

10 AM

34°

28°

Partly Cloudy

WNW 7

54%

20°

1 PM

36°

30°

Mostly Cloudy

22%
SNOW
<.1 in

0% Thunder
( 2% severe)

W 8

50%

20°

4 PM

35°

30°

Mostly Cloudy

W 6

57%

22°

7 PM

32°

29°

Mostly Cloudy

22%
SNOW
2.5–5 in

0% Thunder
( 1% severe)

WNW 3

65%

22°

10 PM

29°

25°

Partly Cloudy

NW 3

70%

21°


GROTON, CT extended weather forecast
Friday 27 FEB 2026	Saturday 28 FEB 2026	Sunday 1 MAR 2026	Monday 2 MAR 2026	Tuesday 3 MAR 2026
Low 16°	Low 23°	Low 29°	Low 20°	Low 18°
High 36°	High 44°	High 36°	High 29°	High 36°

Partly Cloudy 18% Snow	Partly Cloudy 11% Rain/Snow	Overcast 43% Rain/Snow	Overcast 61% Snow	Mostly Cloudy 56% Snow

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