GROTON, CT 06340 Weather Forecast & Current Conditions

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GROTON, CT
Current Weather

5:56 AM EST FEB 1, 2026
Overcast
14°F
Feels Like: -4°F
Dewpoint: 3°F
Rel. Hum.: 56%
Visibility: 10 miles
Wind: N at 20 mph, gusts to 26
Pressure: 29.80 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 cloudy and blustery, cold with highs in the mid 20s. North winds 15 to 25 mph with gusts up to 40 mph. Wind chill values as low as 5 below.
TONIGHT
Mostly cloudy. Lows around 12. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 1 below.
MONDAY
Mostly sunny. Highs in the lower 30s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Wind chill values as low as 2 below in the morning.
MONDAY NIGHT
Mostly clear. Cold with lows around 11. Northwest winds 5 to 10 mph.
TUESDAY
Sunny. Highs in the lower 30s. West winds around 5 mph.
TUESDAY NIGHT
Partly cloudy. Lows 15 to 20.
WEDNESDAY
Mostly sunny. Highs in the lower 30s.
WEDNESDAY NIGHT
Mostly clear. Lows around 10 above.
THURSDAY
Sunny. Highs in the upper 20s.
THURSDAY NIGHT
Partly cloudy. Lows around 10 above.
FRIDAY
Partly sunny in the morning, then becoming mostly cloudy. Highs around 30.
FRIDAY NIGHT
Mostly cloudy with a 50 percent chance of snow. Lows around 15.
SATURDAY
Mostly sunny. Cold with highs in the lower 20s. Wind chill values as low as zero.

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  1/31/2026
Sunday
1 FEB 2026
GROTON, CT 06340 weather forecast Day 1, 0 hours 1 AM 12° -3° Mostly Cloudy 7%

0% Thunder
( 0% severe)
N   13 59%
Low 11° GROTON, CT 06340 weather forecast Day 1, 3 hours 4 AM 13° -3° Mostly Cloudy N   15 63%
High 25° GROTON, CT 06340 weather forecast Day 1, 6 hours 7 AM 13° -4° Overcast 9%

0% Thunder
( 0% severe)
N   17 66%

Mostly Cloudy




Breezy
GROTON, CT 06340 weather forecast Day 1, 9 hours 10 AM 17° Mostly Cloudy N   20 54%
GROTON, CT 06340 weather forecast Day 1, 12 hours 1 PM 22° Mostly Cloudy 5%

0% Thunder
( 0% severe)
N   20 50%
GROTON, CT 06340 weather forecast Day 1, 15 hours 4 PM 24° 10° Mostly Cloudy N   17 48%
GROTON, CT 06340 weather forecast Day 1, 18 hours 7 PM 21° Mostly Cloudy 1%

0% Thunder
( 0% severe)
NNW   15 52%
GROTON, CT 06340 weather forecast Day 1, 21 hours 10 PM 18° Mostly Cloudy NNW   14 54%
Monday
2 FEB 2026
GROTON, CT 06340 weather forecast Day 2, 0 hours 1 AM 15° Mostly Cloudy 0%

0% Thunder
( 0% severe)
NNW   13 57%
Low 11° GROTON, CT 06340 weather forecast Day 2, 3 hours 4 AM 14° Partly Cloudy NNW   12 53%
High 30° GROTON, CT 06340 weather forecast Day 2, 6 hours 7 AM 13° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   10 56%

Partly Cloudy



GROTON, CT 06340 weather forecast Day 2, 9 hours 10 AM 21° Partly Cloudy NNW   12 45%
GROTON, CT 06340 weather forecast Day 2, 12 hours 1 PM 28° 19° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   10 40%
GROTON, CT 06340 weather forecast Day 2, 15 hours 4 PM 29° 20° Clear NW   9 43% 11°
GROTON, CT 06340 weather forecast Day 2, 18 hours 7 PM 23° 14° Clear 0%

0% Thunder
( 0% severe)
NW   8 53% 10°
GROTON, CT 06340 weather forecast Day 2, 21 hours 10 PM 20° 11° Clear NW   7 58%

GROTON, CT extended weather forecast

Tuesday
3 FEB 2026
Wednesday
4 FEB 2026
Thursday
5 FEB 2026
Friday
6 FEB 2026
Saturday
7 FEB 2026
Low 5° Low 17° Low 9° Low 18° Low 21°
High 34° High 34° High 29° High 33° High 26°
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
Partly Cloudy
3% Snow
Mostly Cloudy
12% Snow
Partly Cloudy
13% Snow
Mostly Cloudy
35% Snow
Overcast
54% Snow
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