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 PM EDT JUN 30, 2025
Clear Mist 72°F
Feels Like:	72°F
Dewpoint:	72°F
Rel. Hum.:	100%
Visibility:	6 miles
Wind:	SSE at 6 mph
Pressure:	29.93 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 2025 Hurricanes	GROTON, CT 06340 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Cloudy. Patchy fog. A chance of showers with a slight chance of thunderstorms after midnight. Near steady temperature around 70. South winds around 5 mph. Chance of rain 50 percent.

TUESDAY
Cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

TUESDAY NIGHT
Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 50 percent.

WEDNESDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

WEDNESDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the mid 60s. West winds around 5 mph.

THURSDAY
Sunny. Highs in the mid 80s.

THURSDAY NIGHT
Partly cloudy in the evening, then clearing. Lows in the lower 60s.

INDEPENDENCE DAY
Sunny. Highs in the lower 80s.

FRIDAY NIGHT
Mostly clear. Lows in the lower 60s.

SATURDAY
Mostly sunny. Highs in the lower 80s.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.

SUNDAY
Partly sunny. Highs in the mid 80s.

SUNDAY NIGHT
Mostly cloudy. Lows around 70.

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 6/30/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
1 JUL 2025

2 AM

70°

70°

Mostly Cloudy

50%
RAIN
***

0% Thunder
( 23% severe)

SSW 5

100%

70°

Low 69°

5 AM

70°

70°

Mostly Cloudy

SSW 6

100%

70°

High 82°

8 AM

72°

72°

Mostly Cloudy

23%
RAIN
.5–1 in

0% Thunder
( 19% severe)

S 8

100%

72°

Mostly Cloudy

Chance of Rain

11 AM

75°

75°

Mostly Cloudy

SSW 13

97%

74°

2 PM

80°

85°

Partly Cloudy

39%
RAIN
.1–.25 in

0% Thunder
( 37% severe)

SW 15

82%

74°

5 PM

79°

82°

Mostly Cloudy

SSW 14

82%

73°

8 PM

76°

77°

Mostly Cloudy

44%
RAIN
.5–1 in

0% Thunder
( 31% severe)

SW 10

85%

71°

11 PM

73°

73°

Mostly Cloudy

WSW 7

93%

71°

Wednesday
2 JUL 2025

2 AM

72°

72°

Mostly Cloudy

48%
RAIN
***

0% Thunder
( 19% severe)

WSW 5

93%

70°

Low 69°

5 AM

70°

70°

Mostly Cloudy

WSW 3

100%

70°

High 79°

8 AM

72°

72°

Mostly Cloudy

18%
RAIN
.01–.1 in

0% Thunder
( 13% severe)

WSW 3

97%

71°

Mostly Cloudy

11 AM

74°

74°

Mostly Cloudy

WSW 6

90%

71°

2 PM

78°

80°

Mostly Cloudy

8%

0% Thunder
( 13% severe)

SW 8

79%

71°

5 PM

76°

77°

Mostly Cloudy

SSW 8

82%

70°

8 PM

73°

73°

Mostly Cloudy

4%

0% Thunder
( 6% severe)

SW 6

84%

68°

11 PM

69°

69°

Mostly Cloudy

SW 3

97%

68°


GROTON, CT extended weather forecast
BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE	BAD DAY BAD DATE
Low 68°	Low 63°	Low 64°	Low 61°	Low 64°
High 82°	High 80°	High 82°	High 79°	High 81°

Mostly Cloudy 54% Rain	Partly Cloudy 20% Rain	Partly Cloudy 19% Rain	Clear 8% Rain	Partly Cloudy 17% Rain

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