MYSTIC, CT 06355 Weather Forecast & Current Conditions

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06355 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
2:56 AM EDT JUN 18, 2026
Few Clouds 63°F
Feels Like:	63°F
Dewpoint:	61°F
Rel. Hum.:	93%
Visibility:	10 miles
Wind:	SE at 6 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)

06355 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	MYSTIC, CT 06355 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TODAY
Mostly cloudy. A chance of showers this morning, then a chance of showers and thunderstorms this afternoon. Highs in the upper 70s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 50 percent.

TONIGHT
Partly cloudy. A slight chance of showers in the evening. Lows in the mid 60s. West winds 10 to 15 mph. Gusts up to 30 mph, decreasing to 20 mph after midnight. Chance of rain 20 percent.

JUNETEENTH
Mostly sunny. Highs around 80. West winds 10 to 15 mph with gusts up to 25 mph.

FRIDAY NIGHT
Clear. Lows in the lower 60s. West winds 5 to 10 mph with gusts up to 20 mph.

SATURDAY
Sunny. Highs around 80. West winds 10 to 15 mph with gusts up to 25 mph.

SATURDAY NIGHT
Clear. Lows in the lower 60s.

SUNDAY
Sunny. Highs around 80.

SUNDAY NIGHT
Partly cloudy. A chance of showers after midnight. Lows around 60. Chance of rain 30 percent.

MONDAY
Showers likely in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 80 percent.

MONDAY NIGHT
Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Lows around 60. Chance of rain 80 percent.

TUESDAY
Partly sunny. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 40 percent.

TUESDAY NIGHT
Mostly clear. Lows around 60.

WEDNESDAY
Sunny. Highs in the lower 80s.

06355 WEATHER SATELLITE LOOPS

Visible Weather Satellite
MYSTIC, CT 06355

Infrared Weather Satellite
MYSTIC, CT 06355

06355 WEATHER RADAR LOOP

NEXRAD Weather Radar
MYSTIC, CT 06355

MOS COMPUTER WEATHER FORECAST

GROTON, CT 3 hourly weather forecast

weather forecast created 7:00 PM CDT 6/17/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
18 JUN 2026

2 AM

64°

64°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 6% severe)

S 7

87%

60°

Low 62°

5 AM

63°

62°

Mostly Cloudy

S 9

93%

61°

High 79°

8 AM

69°

69°

Mostly Cloudy

24%
RAIN
<.01 in

0% Thunder
( 7% severe)

SSE 13

81%

63°

Mostly Cloudy

Chance of Rain

Breezy

11 AM

74°

74°

Mostly Cloudy

S 17

76%

66°

2 PM

76°

77°

Mostly Cloudy

46%
RAIN
.1–.25 in

0% Thunder
( 24% severe)

S 20

76%

68°

5 PM

79°

81°

Mostly Cloudy

SSW 18

69%

68°

8 PM

77°

79°

Partly Cloudy

1%

0% Thunder
( 2% severe)

SW 14

74%

68°

11 PM

75°

75°

Partly Cloudy

WSW 12

69%

64°

Friday
19 JUN 2026

2 AM

72°

72°

Partly Cloudy

1%

0% Thunder
( 1% severe)

W 9

66%

60°

Low 64°

5 AM

67°

67°

Partly Cloudy

W 10

70%

57°

High 83°

8 AM

72°

72°

Mostly Cloudy

3%

0% Thunder
( 0% severe)

W 12

59%

57°

Mostly Cloudy

11 AM

79°

80°

Mostly Cloudy

W 14

47%

57°

2 PM

82°

82°

Partly Cloudy

1%

0% Thunder
( 3% severe)

WSW 15

44%

58°

5 PM

83°

82°

Partly Cloudy

WSW 14

41%

57°

8 PM

77°

79°

Partly Cloudy

0%

0% Thunder
( 2% severe)

W 9

48%

56°

11 PM

72°

72°

Clear

W 9

55%

55°


GROTON, CT extended weather forecast
Saturday 20 JUN 2026	Sunday 21 JUN 2026	Monday 22 JUN 2026	Tuesday 23 JUN 2026	Wednesday 24 JUN 2026
Low 62°	Low 58°	Low 61°	Low 60°	Low 61°
High 78°	High 76°	High 66°	High 77°	High 78°

Partly Cloudy 5% Rain	Partly Cloudy 5% Rain	Overcast 79% Rain	Mostly Cloudy 47% Rain	Partly Cloudy 21% Rain

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