NIANTIC, CT 06357 Weather Forecast & Current Conditions

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06357 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
3:56 PM EDT OCT 20, 2025
Broken Clouds 57°F
Feels Like:	53°F
Dewpoint:	52°F
Rel. Hum.:	83%
Visibility:	10 miles
Wind:	WSW at 18 mph, gusts to 36
Pressure:	29.72 inches
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

THIS AFTERNOON
Partly sunny with a 20 percent chance of showers. Highs in the mid 60s. Southwest winds around 15 mph with gusts up to 30 mph.

TONIGHT
Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the upper 40s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.

TUESDAY
Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph.

TUESDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly cloudy with showers after midnight. Lows in the lower 50s. South winds 10 to 15 mph. Chance of rain 90 percent.

WEDNESDAY
Showers with a slight chance of thunderstorms in the morning, then showers likely in the afternoon. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

WEDNESDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the upper 40s. Chance of rain 30 percent.

THURSDAY
Partly sunny. A chance of showers in the afternoon. Highs in the upper 50s. Chance of rain 30 percent.

THURSDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 40s. Chance of rain 30 percent.

FRIDAY
Sunny. Highs in the upper 50s.

FRIDAY NIGHT
Mostly clear. Lows in the lower 40s.

SATURDAY
Mostly sunny. Highs in the upper 50s.

SATURDAY NIGHT
Partly cloudy. Lows around 40.

SUNDAY
Mostly sunny. Highs in the upper 50s.

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 10/20/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Monday
20 OCT 2025

2 PM

58°

54°

Mostly Cloudy

20%
RAIN
.01–.1 in

0% Thunder
( 3% severe)

SW 17

87%

54°

High 59°

5 PM

57°

53°

Partly Cloudy

WSW 16

83%

52°

Partly Cloudy

Chance of Rain

8 PM

55°

51°

Partly Cloudy

7%

0% Thunder
( 2% severe)

W 15

80%

49°

11 PM

52°

47°

Partly Cloudy

W 15

83%

47°

Tuesday
21 OCT 2025

2 AM

50°

45°

Clear

2%

0% Thunder
( 1% severe)

W 13

83%

45°

Low 45°

5 AM

48°

43°

Clear

W 12

83%

43°

High 61°

8 AM

48°

43°

Clear

0%

0% Thunder
( 0% severe)

W 12

86%

44°

Clear

11 AM

56°

53°

Clear

WSW 13

69%

46°

2 PM

59°

56°

Clear

1%

0% Thunder
( 0% severe)

SW 14

64%

47°

5 PM

59°

56°

Partly Cloudy

SSW 14

69%

49°

8 PM

58°

56°

Partly Cloudy

26%
RAIN
<.01 in

0% Thunder
( 7% severe)

S 12

83%

53°

11 PM

56°

53°

Mostly Cloudy

SSW 12

96%

55°

Wednesday
22 OCT 2025

2 AM

56°

53°

Mostly Cloudy

77%
RAIN
***

0% Thunder
( 14% severe)

SSW 10

96%

55°

Low 51°

5 AM

55°

52°

Mostly Cloudy

S 9

100%

55°

High 62°

8 AM

55°

52°

Mostly Cloudy

56%
RAIN
***

0% Thunder
( 12% severe)

S 9

100%

55°

Decreasing Clouds

Rain Likely

11 AM

59°

57°

Partly Cloudy

SW 13

87%

55°

2 PM

61°

59°

Partly Cloudy

16%
RAIN
.01–.1 in

0% Thunder
( 1% severe)

SW 15

72%

52°

5 PM

59°

56°

Clear

WSW 14

67%

48°

8 PM

55°

52°

Partly Cloudy

WSW 12

66%

44°


GROTON, CT extended weather forecast
Thursday 23 OCT 2025	Friday 24 OCT 2025	Saturday 25 OCT 2025	Sunday 26 OCT 2025	Monday 27 OCT 2025
Low 44°	Low 40°	Low 39°	Low 40°	Low 41°
High 59°	High 58°	High 58°	High 56°	High 56°

Partly Cloudy 16% Rain	Partly Cloudy 16% Rain	Partly Cloudy 21% Rain	Clear 15% Rain	Overcast 36% Rain

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