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 MAR 31, 2026
Clear 57°F
Feels Like:	56°F
Dewpoint:	46°F
Rel. Hum.:	67%
Visibility:	10 miles
Wind:	SSW at 7 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
Partly sunny. A slight chance of showers this afternoon. Highs in the lower 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

TONIGHT
Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Southwest winds 10 to 15 mph. Chance of rain 30 percent.

WEDNESDAY
Partly sunny with a chance of rain in the morning, then mostly cloudy with rain likely with a slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

WEDNESDAY NIGHT
Rain. Lows in the upper 30s. Northeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent.

THURSDAY
Cloudy with a 40 percent chance of rain. Much cooler with highs in the mid 40s. Northeast winds 10 to 15 mph.

THURSDAY NIGHT
Cloudy. Lows in the upper 30s.

FRIDAY
Mostly cloudy. Highs in the upper 50s.

FRIDAY NIGHT
Mostly cloudy. Lows in the upper 40s.

SATURDAY
Partly sunny. Highs in the mid 60s.

SATURDAY NIGHT
Mostly cloudy with a 30 percent chance of rain. Lows in the mid 40s.

SUNDAY
Mostly cloudy with a 40 percent chance of rain. Highs around 60.

SUNDAY NIGHT
Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s.

MONDAY
Mostly cloudy with a 50 percent chance of rain. Highs in the lower 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 6:00 PM CST 3/30/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
31 MAR 2026

1 AM

47°

42°

Partly Cloudy

64%
RAIN
.25–.5 in

0% Thunder
( 10% severe)

SW 10

86%

43°

Low 46°

4 AM

47°

42°

Mostly Cloudy

SSW 10

86%

43°

High 60°

7 AM

49°

44°

Mostly Cloudy

47%
RAIN
.25–.5 in

0% Thunder
( 9% severe)

SW 12

86%

45°

Mostly Cloudy

Chance of Rain

10 AM

55°

51°

Mostly Cloudy

SW 14

74%

47°

1 PM

57°

54°

Partly Cloudy

11%
RAIN
.01–.1 in

0% Thunder
( 13% severe)

SW 15

72%

48°

4 PM

57°

54°

Partly Cloudy

SW 14

69%

47°

7 PM

53°

49°

Mostly Cloudy

14%
RAIN
<.01 in

0% Thunder
( 12% severe)

SSW 13

77%

46°

10 PM

51°

46°

Mostly Cloudy

SSW 15

83%

46°

Wednesday
1 APR 2026

1 AM

51°

46°

Mostly Cloudy

21%
RAIN
<.01 in

0% Thunder
( 4% severe)

SW 15

83%

46°

Low 49°

4 AM

51°

46°

Mostly Cloudy

SW 15

86%

47°

High 62°

7 AM

52°

47°

Mostly Cloudy

26%
RAIN
<.01 in

0% Thunder
( 4% severe)

SW 14

83%

47°

Mostly Cloudy

Rain Likely

10 AM

58°

55°

Mostly Cloudy

SW 14

75%

50°

1 PM

60°

58°

Mostly Cloudy

52%
RAIN
***

0% Thunder
( 12% severe)

SW 13

67%

49°

4 PM

57°

55°

Mostly Cloudy

SSW 10

75%

49°

7 PM

51°

48°

Mostly Cloudy

65%
RAIN
***

0% Thunder
( 5% severe)

ENE 7

83%

46°

10 PM

46°

42°

Mostly Cloudy

NE 8

89%

43°


GROTON, CT extended weather forecast
Thursday 2 APR 2026	Friday 3 APR 2026	Saturday 4 APR 2026	Sunday 5 APR 2026	Monday 6 APR 2026
Low 41°	Low 33°	Low 47°	Low 44°	Low 41°
High 45°	High 53°	High 64°	High 60°	High 52°

Overcast 83% Rain	Overcast 29% Rain	Mostly Cloudy 51% Rain	Overcast 73% Rain	Mostly Cloudy 47% Rain

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