NIANTIC, CT 06357 Weather Forecast & Current Conditions

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GROTON, CT
Current Weather

8:56 PM EDT AUG 22, 2025
Clear
68°F
Feels Like: 68°F
Dewpoint: 64°F
Rel. Hum.: 87%
Visibility: 10 miles
Wind: SE at 7 mph
Pressure: 30.03 inches
Last 72 hours

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NIANTIC, CT 06357
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Sunny. Near steady temperature in the upper 70s. Northwest winds 5 to 10 mph.
TONIGHT
Clear. Lows in the lower 60s. Southwest winds around 5 mph.
SATURDAY
Sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
SATURDAY NIGHT
Mostly clear. Lows in the mid 60s. South winds 5 to 10 mph. Gusts up to 20 mph in the evening.
SUNDAY
Mostly sunny. Highs around 80. South winds 5 to 10 mph with gusts up to 20 mph.
SUNDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.
MONDAY
Partly sunny. A chance of showers. Highs around 80. Chance of rain 50 percent.
MONDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the upper 50s. Chance of rain 40 percent.
TUESDAY
Sunny. Highs in the upper 70s.
TUESDAY NIGHT
Mostly clear. Lows in the mid 50s.
WEDNESDAY
Sunny. Highs in the mid 70s.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 50s.
THURSDAY
Sunny. Highs in the mid 70s.

Visible Weather Satellite
NIANTIC, CT 06357
Infrared Weather Satellite
NIANTIC, CT 06357
NEXRAD Weather Radar
NIANTIC, CT 06357

GROTON, CT 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/22/2025
Friday
22 AUG 2025
NIANTIC, CT 06357 weather forecast Day 1, 12 hours 2 PM 78° 79° Clear 0%

0% Thunder
( 0% severe)
N   8 45% 55°
High 79° NIANTIC, CT 06357 weather forecast Day 1, 15 hours 5 PM 77° 79° Clear W   5 52% 58°
Clear



NIANTIC, CT 06357 weather forecast Day 1, 18 hours 8 PM 71° 71° Clear 0%

0% Thunder
( 0% severe)
S   6 71% 61°
NIANTIC, CT 06357 weather forecast Day 1, 21 hours 11 PM 68° 68° Clear SSW   5 81% 62°
Saturday
23 AUG 2025
NIANTIC, CT 06357 weather forecast Day 2, 0 hours 2 AM 65° 65° Clear 1%

0% Thunder
( 0% severe)
SW   5 87% 61°
Low 62° NIANTIC, CT 06357 weather forecast Day 2, 3 hours 5 AM 63° 64° Clear WSW   5 90% 60°
High 79° NIANTIC, CT 06357 weather forecast Day 2, 6 hours 8 AM 68° 68° Clear 1%

0% Thunder
( 0% severe)
WSW   5 84% 63°

Clear



NIANTIC, CT 06357 weather forecast Day 2, 9 hours 11 AM 76° 78° Clear SW   9 66% 64°
NIANTIC, CT 06357 weather forecast Day 2, 12 hours 2 PM 77° 79° Clear 1%

0% Thunder
( 1% severe)
SSW   12 64% 64°
NIANTIC, CT 06357 weather forecast Day 2, 15 hours 5 PM 75° 75° Partly Cloudy SSW   12 69% 64°
NIANTIC, CT 06357 weather forecast Day 2, 18 hours 8 PM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   9 79% 65°
NIANTIC, CT 06357 weather forecast Day 2, 21 hours 11 PM 69° 69° Partly Cloudy S   8 87% 65°
Sunday
24 AUG 2025
NIANTIC, CT 06357 weather forecast Day 3, 0 hours 2 AM 67° 67° Clear 0%

0% Thunder
( 0% severe)
S   8 90% 64°
Low 64° NIANTIC, CT 06357 weather forecast Day 3, 3 hours 5 AM 66° 66° Partly Cloudy S   7 90% 63°
High 78° NIANTIC, CT 06357 weather forecast Day 3, 6 hours 8 AM 71° 71° Partly Cloudy 1%

0% Thunder
( 1% severe)
S   8 87% 67°

Partly Cloudy



NIANTIC, CT 06357 weather forecast Day 3, 9 hours 11 AM 75° 75° Partly Cloudy S   12 76% 67°
NIANTIC, CT 06357 weather forecast Day 3, 15 hours 2 PM 76° 77° Partly Cloudy 2%

0% Thunder
( 3% severe)
S   13 76% 68°
NIANTIC, CT 06357 weather forecast Day 3, 18 hours 5 PM 75° 75° Mostly Cloudy S   12 82% 69°
NIANTIC, CT 06357 weather forecast Day 3, 21 hours 8 PM 72° 72° Mostly Cloudy     S   8 90% 69°

GROTON, CT extended weather forecast

Monday
25 AUG 2025
Tuesday
26 AUG 2025
Wednesday
27 AUG 2025
Thursday
28 AUG 2025
Friday
29 AUG 2025
Low 67° Low 61° Low 56° Low 58° Low 60°
High 79° High 75° High 74° High 76° High 78°
NIANTIC, CT 06357 weather forecast Day 4 NIANTIC, CT 06357 weather forecast Day 5 NIANTIC, CT 06357 weather forecast Day 6 NIANTIC, CT 06357 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
60% Rain
Partly Cloudy
34% Rain
Partly Cloudy
29% Rain
Clear
17% Rain
Clear
19% Rain
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