NIANTIC, CT 06357 Weather Forecast & Current Conditions

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06357 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
11:56 AM EDT JUL 16, 2025
Fog 77°F
Feels Like:	78°F
Dewpoint:	75°F
Rel. Hum.:	94%
Visibility:	1/4 miles
Wind:	SSW at 6 mph
Pressure:
Last 72 hours
Local Area Snow Depth
Connecticut Current Weather
Connecticut MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

06357 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	NIANTIC, CT 06357 Weather Forecast	Snowfall Forecast pages Snow Depth pages

OVERNIGHT
Mostly cloudy. Patchy fog. Near steady temperature in the lower 70s. Light and variable winds.

WEDNESDAY
Patchy fog in the morning. Mostly sunny. Humid with highs in the mid 80s. South winds 5 to 10 mph. Heat index values in the mid 90s in the afternoon.

WEDNESDAY NIGHT
Mostly cloudy. A slight chance of showers after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.

THURSDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 50 percent. Heat index values in the mid 90s in the afternoon.

THURSDAY NIGHT
Partly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 40 percent.

FRIDAY
Sunny. Highs in the mid 80s.

FRIDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 60s.

SATURDAY
Mostly sunny. Highs around 80.

SATURDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 60s. Chance of rain 30 percent.

SUNDAY
Mostly cloudy. A chance of showers. Highs around 80. Chance of rain 50 percent.

SUNDAY NIGHT
Mostly cloudy with a chance of showers in the evening, then partly cloudy after midnight. Lows in the mid 60s. Chance of rain 50 percent.

MONDAY
Mostly sunny. Highs in the lower 80s.

MONDAY NIGHT
Partly cloudy. Lows in the mid 60s.

06357 WEATHER SATELLITE LOOPS

Visible Weather Satellite
NIANTIC, CT 06357

Infrared Weather Satellite
NIANTIC, CT 06357

06357 WEATHER RADAR LOOP

NEXRAD Weather Radar
NIANTIC, CT 06357

MOS COMPUTER WEATHER FORECAST

GROTON, CT 3 hourly weather forecast

weather forecast created 7:00 AM CDT 7/16/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
16 JUL 2025

2 PM

81°

88°

Partly Cloudy

1%

0% Thunder
( 9% severe)

S 8

88%

77°

High 82°

5 PM

81°

88°

Partly Cloudy

S 8

88%

77°

Mostly Cloudy

8 PM

77°

78°

Mostly Cloudy

1%

0% Thunder
( 7% severe)

SSW 7

94%

75°

11 PM

75°

75°

Mostly Cloudy

SSW 5

97%

74°

Thursday
17 JUL 2025

2 AM

74°

74°

Mostly Cloudy

15%
RAIN
<.01 in

0% Thunder
( 7% severe)

SSW 5

97%

73°

Low 72°

5 AM

73°

73°

Mostly Cloudy

SSW 5

100%

73°

High 83°

8 AM

75°

75°

Mostly Cloudy

33%
RAIN
<.01 in

0% Thunder
( 23% severe)

SSW 7

100%

75°

Mostly Cloudy

Chance of Rain

11 AM

77°

78°

Mostly Cloudy

SSW 10

100%

77°

2 PM

80°

86°

Partly Cloudy

21%
RAIN
<.01 in

0% Thunder
( 25% severe)

SSW 13

94%

78°

5 PM

81°

88°

Partly Cloudy

SW 12

88%

77°

8 PM

79°

83°

Partly Cloudy

5%

0% Thunder
( 14% severe)

SSW 9

88%

75°

11 PM

77°

78°

Partly Cloudy

WSW 8

87%

73°

Friday
18 JUL 2025

2 AM

76°

76°

Partly Cloudy

1%

0% Thunder
( 2% severe)

W 8

87%

72°

Low 72°

5 AM

74°

74°

Partly Cloudy

WNW 7

84%

69°

High 83°

8 AM

75°

75°

Partly Cloudy

2%

0% Thunder
( 1% severe)

NW 8

82%

69°

Partly Cloudy

11 AM

78°

80°

Partly Cloudy

NW 10

71%

68°

2 PM

81°

84°

Partly Cloudy

4%

0% Thunder
( 1% severe)

WNW 9

63%

67°

5 PM

81°

83°

Partly Cloudy

WNW 8

60%

66°

8 PM

76°

78°

Partly Cloudy

NNW 5

66%

64°


GROTON, CT extended weather forecast
Saturday 19 JUL 2025	Sunday 20 JUL 2025	Monday 21 JUL 2025	Tuesday 22 JUL 2025	Wednesday 23 JUL 2025
Low 60°	Low 67°	Low 65°	Low 66°	Low 67°
High 78°	High 79°	High 79°	High 80°	High 82°

Clear 9% Rain	Mostly Cloudy 61% Rain	Mostly Cloudy 28% Rain	Partly Cloudy 23% Rain	Partly Cloudy 36% Rain

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