GROTON, CT 06340 Weather Forecast & Current Conditions

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06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
7:56 AM EDT AUG 27, 2026
Broken Clouds 72°F
Feels Like:	72°F
Dewpoint:	70°F
Rel. Hum.:	93%
Visibility:	10 miles
Wind:	S at 7 mph
Pressure:	30.07 inches
Last 72 hours
Local Area Snow Depth
Connecticut Current Weather
Connecticut MOS Forecast Weather

Weather Map

(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

TODAY
Partly sunny. Highs in the upper 70s. South winds 5 to 10 mph. Gusts up to 20 mph this afternoon.

TONIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Humid with lows in the upper 60s. South winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 30 percent.

FRIDAY
Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 70s. South winds around 5 mph. Chance of rain 50 percent.

FRIDAY NIGHT
Mostly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the mid 60s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 50 percent.

SATURDAY
Mostly sunny. Highs in the upper 70s. North winds around 5 mph, becoming southwest in the afternoon.

SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

SUNDAY
Mostly sunny. Highs in the upper 70s.

SUNDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s.

MONDAY
Partly sunny. Highs around 80.

MONDAY NIGHT
Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent.

TUESDAY
Partly sunny. A chance of showers. Highs in the upper 70s. Chance of rain 30 percent.

TUESDAY NIGHT
Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 50 percent.

WEDNESDAY
Partly sunny with a 50 percent chance of showers. Highs in the upper 70s.

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 7:00 PM CDT 8/26/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
27 AUG 2026

2 AM

67°

67°

Mostly Cloudy

1%

0% Thunder
( 2% severe)

SSW 3

97%

66°

Low 66°

5 AM

67°

67°

Mostly Cloudy

S 5

100%

67°

High 78°

8 AM

72°

72°

Mostly Cloudy

3%

0% Thunder
( 3% severe)

S 7

90%

69°

Mostly Cloudy

11 AM

78°

80°

Partly Cloudy

S 12

74%

69°

2 PM

78°

80°

Mostly Cloudy

9%

0% Thunder
( 11% severe)

S 14

74%

69°

5 PM

77°

79°

Mostly Cloudy

S 12

76%

69°

8 PM

73°

73°

Mostly Cloudy

19%
RAIN
.1–.25 in

0% Thunder
( 12% severe)

S 8

87%

69°

11 PM

71°

71°

Partly Cloudy

S 8

97%

70°

Friday
28 AUG 2026

2 AM

70°

70°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 15% severe)

S 5

100%

70°

Low 68°

5 AM

70°

70°

Mostly Cloudy

CALM

97%

69°

High 79°

8 AM

72°

72°

Mostly Cloudy

13%
RAIN
<.01 in

0% Thunder
( 17% severe)

CALM

97%

71°

Mostly Cloudy

11 AM

77°

79°

Mostly Cloudy

SSW 5

82%

71°

2 PM

79°

82°

Partly Cloudy

9%

0% Thunder
( 24% severe)

SSW 7

77%

71°

5 PM

78°

80°

Partly Cloudy

SSW 6

79%

71°

8 PM

73°

73°

Mostly Cloudy

3%

0% Thunder
( 5% severe)

WSW 2

87%

69°

11 PM

70°

70°

Mostly Cloudy

W 2

93%

68°


GROTON, CT extended weather forecast
Saturday 29 AUG 2026	Sunday 30 AUG 2026	Monday 31 AUG 2026	Tuesday 1 SEP 2026	Wednesday 2 SEP 2026
Low 62°	Low 60°	Low 67°	Low 67°	Low 62°
High 77°	High 80°	High 79°	High 78°	High 76°

Partly Cloudy 19% Rain	Partly Cloudy 18% Rain	Overcast 39% Rain	Mostly Cloudy 60% Rain	Overcast 58% Rain

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