GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
6:56 PM EDT MAY 26, 2026
Clear 68°F
Feels Like:	68°F
Dewpoint:	55°F
Rel. Hum.:	63%
Visibility:	10 miles
Wind:	WSW at 8 mph
Pressure:	30.00 inches
Last 72 hours
Local Area Snow Depth
Connecticut Current Weather
Connecticut MOS Forecast Weather

Regional Weather Maps

(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

THIS AFTERNOON
Mostly sunny. Highs in the mid 70s. Southwest winds 5 to 10 mph.

TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Southwest winds around 5 mph.

WEDNESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph.

WEDNESDAY NIGHT
Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 50s. West winds 5 to 10 mph, becoming north after midnight. Chance of rain 20 percent.

THURSDAY
Partly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 70s. North winds 5 to 10 mph. Chance of rain 50 percent.

THURSDAY NIGHT
Partly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of rain 50 percent.

FRIDAY
Mostly sunny. Highs in the lower 70s.

FRIDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the mid 50s. Chance of rain 40 percent.

SATURDAY
Partly sunny with a 40 percent chance of showers. Highs around 70.

SATURDAY NIGHT
Partly cloudy. Lows around 50.

SUNDAY
Sunny. Highs in the upper 60s.

SUNDAY NIGHT
Partly cloudy. Lows in the lower 50s.

MONDAY
Partly sunny with a 30 percent chance of showers. Highs in the upper 60s.

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 AM CDT 5/26/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
26 MAY 2026

2 PM

77°

79°

Partly Cloudy

0%

0% Thunder
( 0% severe)

SSW 9

48%

56°

High 78°

5 PM

75°

75°

Partly Cloudy

SW 9

52%

56°

Mostly Cloudy

8 PM

67°

67°

Mostly Cloudy

0%

0% Thunder
( 0% severe)

SW 7

70%

57°

11 PM

63°

63°

Mostly Cloudy

WSW 7

75%

55°

Wednesday
27 MAY 2026

2 AM

62°

62°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

WSW 7

81%

56°

Low 58°

5 AM

61°

61°

Mostly Cloudy

WSW 6

84%

56°

High 80°

8 AM

67°

67°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

WSW 7

73%

58°

Mostly Cloudy

11 AM

75°

75°

Mostly Cloudy

SW 9

62%

61°

2 PM

79°

81°

Mostly Cloudy

4%

0% Thunder
( 10% severe)

SW 12

58%

63°

5 PM

78°

80°

Mostly Cloudy

SW 10

62%

64°

8 PM

72°

72°

Mostly Cloudy

6%

0% Thunder
( 5% severe)

WSW 7

79%

65°

11 PM

68°

68°

Mostly Cloudy

NW 6

78%

61°

Thursday
28 MAY 2026

2 AM

66°

66°

Partly Cloudy

4%

0% Thunder
( 1% severe)

NNW 7

73%

57°

Low 60°

5 AM

63°

63°

Mostly Cloudy

N 7

72%

54°

High 76°

8 AM

68°

68°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 1% severe)

N 8

59%

53°

Partly Cloudy

Chance of Rain

11 AM

75°

75°

Partly Cloudy

NNW 9

46%

53°

2 PM

76°

78°

Partly Cloudy

31%
RAIN
<.01 in

0% Thunder
( 11% severe)

NNW 9

43%

52°

5 PM

73°

73°

Mostly Cloudy

N 7

49%

53°

8 PM

65°

65°

Partly Cloudy

NE 5

68%

54°


GROTON, CT extended weather forecast
Friday 29 MAY 2026	Saturday 30 MAY 2026	Sunday 31 MAY 2026	Monday 1 JUN 2026	Tuesday 2 JUN 2026
Low 51°	Low 49°	Low 47°	Low 51°	Low 55°
High 63°	High 62°	High 66°	High 71°	High 72°

Mostly Cloudy 19% Rain	Overcast 59% Rain	Partly Cloudy 31% Rain	Partly Cloudy 12% Rain	Partly Cloudy 16% Rain

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