GROTON, CT 06340 Weather Forecast & Current Conditions

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GROTON, CT
Current Weather

5:56 AM EST FEB 15, 2026
Clear
19°F
Feels Like: 15°F
Dewpoint: 18°F
Rel. Hum.: 95%
Visibility: 10 miles
Wind: NNW at 3 mph
Pressure: 30.05 inches
Last 72 hours

Local Area Snow Depth

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GROTON, CT 06340
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs in the upper 30s. North winds around 5 mph, becoming east this afternoon.
TONIGHT
Cloudy. A slight chance of snow in the evening, then a chance of snow after midnight. Lows in the mid 20s. East winds around 5 mph. Chance of snow 50 percent.
WASHINGTONS BIRTHDAY
Mostly cloudy with a chance of snow in the morning, then mostly sunny in the afternoon. Highs in the upper 30s. Northeast winds 5 to 10 mph. Chance of snow 50 percent.
MONDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of snow showers after midnight. Lows in the upper 20s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of snow 20 percent.
TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 40s. Southwest winds around 5 mph.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows around 30.
WEDNESDAY
Mostly cloudy. A chance of rain in the afternoon. Highs in the lower 40s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Rain in the evening, then a chance of rain and snow after midnight. Lows in the lower 30s. Chance of precipitation 80 percent.
THURSDAY
Mostly cloudy. Highs around 40.
THURSDAY NIGHT
Mostly cloudy. Lows in the upper 20s.
FRIDAY
Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the lower 40s. Chance of rain 60 percent.
FRIDAY NIGHT
Mostly cloudy with a chance of rain and snow. Lows around 30. Chance of precipitation 50 percent.
SATURDAY
Mostly cloudy with a chance of rain and snow. Highs around 40. Chance of precipitation 40 percent.

Visible Weather Satellite
GROTON, CT 06340
Infrared Weather Satellite
GROTON, CT 06340
NEXRAD Weather Radar
GROTON, CT 06340

GROTON, CT 3 hourly weather forecast

weather forecast created  6:00 PM CST  2/14/2026
Sunday
15 FEB 2026
GROTON, CT 06340 weather forecast Day 1, 0 hours 1 AM 28° 25° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   2 80% 23°
Low 24° GROTON, CT 06340 weather forecast Day 1, 3 hours 4 AM 27° 24° Partly Cloudy NW   2 76% 21°
High 36° GROTON, CT 06340 weather forecast Day 1, 6 hours 7 AM 25° 21° Partly Cloudy 0%

0% Thunder
( 0% severe)
NNW   3 79% 20°

Partly Cloudy



GROTON, CT 06340 weather forecast Day 1, 9 hours 10 AM 32° 29° Partly Cloudy N   3 59% 20°
GROTON, CT 06340 weather forecast Day 1, 12 hours 1 PM 36° 31° Partly Cloudy 2%

0% Thunder
( 0% severe)
NE   6 50% 20°
GROTON, CT 06340 weather forecast Day 1, 15 hours 4 PM 34° 28° Mostly Cloudy ESE   7 52% 19°
GROTON, CT 06340 weather forecast Day 1, 18 hours 7 PM 30° 23° Mostly Cloudy 20%
SNOW
<.1 in
0% Thunder
( 0% severe)
E   7 58% 18°
GROTON, CT 06340 weather forecast Day 1, 21 hours 10 PM 29° 22° Mostly Cloudy E   7 58% 17°
Monday
16 FEB 2026
GROTON, CT 06340 weather forecast Day 2, 0 hours 1 AM 29° 22° Overcast 43%
SNOW
.1–1 in
0% Thunder
( 1% severe)
ENE   7 64% 19°
Low 25° GROTON, CT 06340 weather forecast Day 2, 3 hours 4 AM 28° 20° Overcast ENE   8 73% 21°
High 38° GROTON, CT 06340 weather forecast Day 2, 6 hours 7 AM 28° 20° Mostly Cloudy 17%
SNOW
<.1 in
0% Thunder
( 0% severe)
NE   8 76% 22°

Mostly Cloudy



GROTON, CT 06340 weather forecast Day 2, 9 hours 10 AM 33° 25° Mostly Cloudy ENE   9 65% 23°
GROTON, CT 06340 weather forecast Day 2, 12 hours 1 PM 37° 30° Partly Cloudy 3%

0% Thunder
( 0% severe)
ENE   9 58% 24°
GROTON, CT 06340 weather forecast Day 2, 15 hours 4 PM 36° 30° Partly Cloudy NE   7 63% 25°
GROTON, CT 06340 weather forecast Day 2, 18 hours 7 PM 33° 30° Partly Cloudy 0%

0% Thunder
( 0% severe)
NE   3 68% 24°
GROTON, CT 06340 weather forecast Day 2, 21 hours 10 PM 31° 28° Partly Cloudy NNE   2 74% 24°

GROTON, CT extended weather forecast

Tuesday
17 FEB 2026
Wednesday
18 FEB 2026
Thursday
19 FEB 2026
Friday
20 FEB 2026
Saturday
21 FEB 2026
Low 27° Low 25° Low 27° Low 29° Low 32°
High 43° High 40° High 40° High 42° High 42°
GROTON, CT 06340 weather forecast Day 3 GROTON, CT 06340 weather forecast Day 4 GROTON, CT 06340 weather forecast Day 5 GROTON, CT 06340 weather forecast Day 6 GROTON, CT 06340 weather forecast Day 7
Overcast
38% Snow/Ice
Mostly Cloudy
41% Rain/Snow
Mostly Cloudy
51% Snow/Ice
Overcast
62% Rain/Ice
Mostly Cloudy
51% Rain/Snow
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