GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
10:56 PM EDT JUN 16, 2026
Clear 63°F
Feels Like:	63°F
Dewpoint:	54°F
Rel. Hum.:	72%
Visibility:	10 miles
Wind:	WSW at 5 mph
Pressure:	29.85 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

TONIGHT
Mostly clear this evening, then becoming mostly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph.

WEDNESDAY
Mostly sunny. Highs in the mid 70s. South winds 5 to 10 mph.

WEDNESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. South winds around 5 mph.

THURSDAY
Mostly cloudy. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

THURSDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the mid 60s. Southwest winds 10 to 15 mph. Gusts up to 30 mph, decreasing to 20 mph after midnight. Chance of rain 50 percent.

JUNETEENTH
Mostly sunny. Highs in the mid 80s.

FRIDAY NIGHT
Mostly clear. Lows in the lower 60s.

SATURDAY
Sunny. Highs in the lower 80s.

SATURDAY NIGHT
Mostly clear. Lows in the lower 60s.

SUNDAY
Sunny. Highs in the lower 80s.

SUNDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

MONDAY
Partly sunny with a 50 percent chance of showers. Highs in the upper 70s.

MONDAY NIGHT
Mostly cloudy with a 50 percent chance of showers. Lows in the lower 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 6/16/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
16 JUN 2026

2 PM

76°

78°

Clear

0%

0% Thunder
( 0% severe)

SW 12

42%

51°

High 78°

5 PM

77°

78°

Clear

SW 12

39%

50°

Clear

8 PM

69°

69°

Clear

0%

0% Thunder
( 0% severe)

SW 10

55%

52°

11 PM

64°

64°

Partly Cloudy

SW 7

70%

54°

Wednesday
17 JUN 2026

2 AM

62°

63°

Partly Cloudy

2%

0% Thunder
( 0% severe)

WSW 1

78%

55°

Low 57°

5 AM

59°

60°

Mostly Cloudy

CALM

87%

55°

High 75°

8 AM

67°

67°

Mostly Cloudy

6%

0% Thunder
( 1% severe)

CALM

70%

57°

Mostly Cloudy

11 AM

74°

74°

Mostly Cloudy

S 8

53%

56°

2 PM

75°

75°

Partly Cloudy

3%

0% Thunder
( 1% severe)

SSE 9

54%

57°

5 PM

74°

74°

Mostly Cloudy

SSE 9

55%

57°

8 PM

68°

68°

Partly Cloudy

2%

0% Thunder
( 1% severe)

SSE 6

73%

59°

11 PM

64°

65°

Mostly Cloudy

SSE 3

87%

60°

Thursday
18 JUN 2026

2 AM

63°

64°

Mostly Cloudy

11%
RAIN
<.01 in

0% Thunder
( 6% severe)

SSE 2

93%

61°

Low 59°

5 AM

62°

62°

Mostly Cloudy

SSE 5

93%

60°

High 79°

8 AM

68°

68°

Mostly Cloudy

24%
RAIN
<.01 in

0% Thunder
( 7% severe)

SSE 10

81%

62°

Mostly Cloudy

Chance of Rain

Breezy

11 AM

74°

74°

Mostly Cloudy

S 17

71%

64°

2 PM

77°

79°

Mostly Cloudy

30%
RAIN
<.01 in

0% Thunder
( 19% severe)

S 18

71%

67°

5 PM

79°

81°

Mostly Cloudy

SSW 18

69%

68°

8 PM

76°

77°

Partly Cloudy

SW 14

74%

67°


GROTON, CT extended weather forecast
Friday 19 JUN 2026	Saturday 20 JUN 2026	Sunday 21 JUN 2026	Monday 22 JUN 2026	Tuesday 23 JUN 2026
Low 65°	Low 60°	Low 56°	Low 58°	Low 57°
High 77°	High 74°	High 74°	High 72°	High 75°

Partly Cloudy 15% Rain	Partly Cloudy 11% Rain	Partly Cloudy 12% Rain	Overcast 52% Rain	Partly Cloudy 34% Rain

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