GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
8:56 PM EST NOV 4, 2026
Clear 55°F
Feels Like:	55°F
Dewpoint:	55°F
Rel. Hum.:	100%
Visibility:	10 miles
Wind:	S at 3 mph
Pressure:	30.07 inches
Last 72 hours
Local Area Snow Depth
Connecticut Current Weather
Connecticut MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

06340 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	GROTON, CT 06340 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly cloudy. Near steady temperature in the upper 50s. Southwest winds around 5 mph.

THURSDAY
Partly sunny. Highs around 70. Southwest winds 10 to 15 mph.

THURSDAY NIGHT
Mostly cloudy. A chance of rain in the evening, then rain with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 80 percent.

FRIDAY
Rain with a slight chance of thunderstorms. Highs in the upper 60s. South winds around 5 mph. Chance of rain 80 percent.

FRIDAY NIGHT
Rain with a slight chance of thunderstorms in the evening, then a chance of rain after midnight. Lows in the mid 50s. South winds around 5 mph, becoming west after midnight. Chance of rain 90 percent.

SATURDAY
Partly sunny. Highs in the mid 60s.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of rain. Lows in the mid 40s. Chance of rain 30 percent.

SUNDAY
Mostly sunny. Highs in the upper 50s.

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

MONDAY
Sunny. Highs in the upper 50s.

MONDAY NIGHT
Mostly clear. Lows in the upper 30s.

TUESDAY
Sunny. Highs around 60.

TUESDAY NIGHT
Mostly clear. Lows in the upper 30s.

06340 WEATHER SATELLITE LOOPS

Visible Weather Satellite
GROTON, CT 06340

Infrared Weather Satellite
GROTON, CT 06340

06340 WEATHER RADAR LOOP

NEXRAD Weather Radar
GROTON, CT 06340

MOS COMPUTER WEATHER FORECAST

GROTON, CT 3 hourly weather forecast

weather forecast created 6:00 AM CST 11/ 4/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Wednesday
4 NOV 2026

1 PM

68°

68°

Clear

1%

0% Thunder
( 0% severe)

SW 10

68%

57°

High 69°

4 PM

66°

66°

Clear

SSW 10

70%

56°

Partly Cloudy

7 PM

59°

58°

Partly Cloudy

1%

0% Thunder
( 0% severe)

SW 7

96%

58°

10 PM

59°

58°

Partly Cloudy

SW 7

96%

58°

Thursday
5 NOV 2026

1 AM

59°

58°

Mostly Cloudy

1%

0% Thunder
( 0% severe)

SSW 7

100%

59°

Low 57°

4 AM

59°

58°

Mostly Cloudy

SW 7

100%

59°

High 70°

7 AM

61°

60°

Mostly Cloudy

9%

0% Thunder
( 0% severe)

S 8

100%

61°

Mostly Cloudy

10 AM

67°

67°

Mostly Cloudy

SSW 12

87%

63°

1 PM

69°

69°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 1% severe)

SSW 14

84%

64°

4 PM

67°

67°

Mostly Cloudy

SSW 13

87%

63°

7 PM

63°

62°

Mostly Cloudy

36%
RAIN
.01–.1 in

0% Thunder
( 6% severe)

SSW 12

100%

63°

10 PM

63°

62°

Mostly Cloudy

SSW 10

100%

63°

Friday
6 NOV 2026

1 AM

62°

61°

Mostly Cloudy

76%
RAIN
***

0% Thunder
( 14% severe)

SSW 9

100%

62°

Low 61°

4 AM

62°

61°

Mostly Cloudy

SSW 9

100%

62°

High 68°

7 AM

63°

63°

Mostly Cloudy

77%
RAIN
***

0% Thunder
( 12% severe)

SSW 7

100%

63°

Mostly Cloudy

Rain Likely

10 AM

66°

66°

Mostly Cloudy

SSW 8

97%

65°

1 PM

67°

67°

Mostly Cloudy

88%
RAIN
***

0% Thunder
( 11% severe)

S 8

93%

65°

4 PM

64°

64°

Mostly Cloudy

SSW 7

97%

63°

7 PM

61°

61°

Mostly Cloudy

S 5

100%

61°


GROTON, CT extended weather forecast
Saturday 7 NOV 2026	Sunday 8 NOV 2026	Monday 9 NOV 2026	Tuesday 10 NOV 2026	Wednesday 11 NOV 2026
Low 54°	Low 48°	Low 40°	Low 39°	Low 42°
High 64°	High 58°	High 59°	High 58°	High 55°

Overcast 95% Rain	Overcast 64% Rain	Clear 10% Rain	Partly Cloudy 21% Rain	Partly Cloudy 25% Rain

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