GROTON, CT 06340 Weather Forecast & Current Conditions

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GROTON, CT
Current Weather

9:56 AM EST NOV 2, 2025
Clear
48°F
Feels Like: 42°F
Dewpoint: 30°F
Rel. Hum.: 49%
Visibility: 10 miles
Wind: NNW at 15 mph, gusts to 20
Pressure: 30.28 inches
Last 72 hours

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GROTON, CT 06340
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Areas of frost this morning. Sunny. Highs in the mid 50s. Northwest winds 5 to 10 mph.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 40s. North winds around 5 mph.
MONDAY
Partly sunny. A chance of rain in the afternoon. Highs around 60. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon. Chance of rain 50 percent.
MONDAY NIGHT
Mostly cloudy with a chance of rain in the evening, then mostly clear after midnight. Lows in the lower 40s. Southwest winds 10 to 15 mph, becoming northwest after midnight. Gusts up to 25 mph. Chance of rain 50 percent.
TUESDAY
Sunny. Highs in the upper 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
TUESDAY NIGHT
Mostly clear. Lows in the lower 40s.
WEDNESDAY
Partly sunny. Highs in the upper 50s.
WEDNESDAY NIGHT
Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s.
THURSDAY
Mostly sunny. Highs in the mid 50s.
THURSDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s.
FRIDAY
Partly sunny. Highs in the upper 50s.
FRIDAY NIGHT
Mostly cloudy with a 50 percent chance of rain. Lows in the upper 40s.
SATURDAY
Partly sunny. A chance of rain in the morning. Highs around 60. Chance of rain 50 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 11/ 1/2025
Sunday
2 NOV 2025
GROTON, CT 06340 weather forecast Day 1, 0 hours 1 AM 39° 33° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   8 76% 32°
Low 36° GROTON, CT 06340 weather forecast Day 1, 3 hours 4 AM 37° 31° Partly Cloudy WNW   8 79% 31°
High 54° GROTON, CT 06340 weather forecast Day 1, 6 hours 7 AM 38° 32° Clear 0%

0% Thunder
( 0% severe)
WNW   8 79% 32°

Clear



GROTON, CT 06340 weather forecast Day 1, 9 hours 10 AM 47° 42° Clear NW   10 60% 34°
GROTON, CT 06340 weather forecast Day 1, 12 hours 1 PM 53° 50° Clear 1%

0% Thunder
( 0% severe)
WNW   10 52% 36°
GROTON, CT 06340 weather forecast Day 1, 15 hours 4 PM 51° 48° Clear W   8 59% 37°
GROTON, CT 06340 weather forecast Day 1, 18 hours 7 PM 45° 44° Clear 3%

0% Thunder
( 0% severe)
NW   3 76% 38°
GROTON, CT 06340 weather forecast Day 1, 21 hours 10 PM 43° 42° Clear N   1 86% 39°
Monday
3 NOV 2025
GROTON, CT 06340 weather forecast Day 2, 0 hours 1 AM 42° 41° Partly Cloudy 2%

0% Thunder
( 0% severe)
NE   1 93% 40°
Low 41° GROTON, CT 06340 weather forecast Day 2, 3 hours 4 AM 43° 42° Partly Cloudy WSW   2 93% 41°
High 58° GROTON, CT 06340 weather forecast Day 2, 6 hours 7 AM 46° 44° Partly Cloudy 8%

0% Thunder
( 2% severe)
SW   5 93% 44°

Mostly Cloudy

Chance of Rain

GROTON, CT 06340 weather forecast Day 2, 9 hours 10 AM 55° 52° Mostly Cloudy SSW   10 77% 48°
GROTON, CT 06340 weather forecast Day 2, 12 hours 1 PM 58° 55° Mostly Cloudy 39%
RAIN
.25–.5 in
0% Thunder
( 4% severe)
SSW   13 72% 49°
GROTON, CT 06340 weather forecast Day 2, 15 hours 4 PM 55° 52° Mostly Cloudy SSW   13 80% 49°
GROTON, CT 06340 weather forecast Day 2, 18 hours 7 PM 52° 48° Mostly Cloudy 40%
RAIN
1–2 in
0% Thunder
( 6% severe)
SW   12 93% 50°
GROTON, CT 06340 weather forecast Day 2, 21 hours 10 PM 51° 46° Partly Cloudy W   13 86% 47°

GROTON, CT extended weather forecast

Tuesday
4 NOV 2025
Wednesday
5 NOV 2025
Thursday
6 NOV 2025
Friday
7 NOV 2025
Saturday
8 NOV 2025
Low 43° Low 39° Low 45° Low 35° Low 48°
High 59° High 59° High 55° High 54° High 55°
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
45% Rain
Mostly Cloudy
5% Rain
Mostly Cloudy
26% Rain
Partly Cloudy
15% Rain
Overcast
57% Rain
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