GROTON, CT 06340 Weather Forecast & Current Conditions

Local Weather
- Local weather by ZIP or City
- Local area snow depth
- CURRENT WEATHER MAPS
- - Fronts & Pressure Centers
- - Current U.S. Temperatures
- - Northwest U.S.
- - Northeast U.S.
- - Mid-Atlantic U.S.
- - Midwest U.S.
- - Central Plains U.S.
- - Southeast U.S.
- - Southern Plains U.S.
- - Southwest U.S.
- - Alaska
10 Day Forecasts
Other Forecasts
- Snowstorm Forecast
- U.S. 6-hourly Snowfall Forecast
- 3 DAY NAM MODEL FORECASTS
- - Clouds & Precipitation
- - Temperature
- 7 DAY NWS FORECASTS
- - Weather Type
- - Precip. Probability
- - High Temperatures
- - Low Temperatures
- - Cloud Cover
- - Wind
- - Relative Humidity
- - Dewpoint
- - Snowfall
- SEASONAL FORECASTS
- - Temperature
- - Precipitation
Severe Weather
Radar
- U.S. RADAR (NWS interactive)
- U.S. RADAR (by state)
Satellite

06340 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
5:56 PM EDT JUN 25, 2026
Clear 73°F
Feels Like:	73°F
Dewpoint:	61°F
Rel. Hum.:	66%
Visibility:	10 miles
Wind:	SSE at 8 mph
Pressure:	30.06 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 2025 Hurricanes	GROTON, CT 06340 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Mostly sunny. Near steady temperature in the mid 70s. South winds 5 to 10 mph.

TONIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. South winds around 5 mph. Chance of rain 20 percent.

FRIDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 70s. South winds 5 to 10 mph. Chance of rain 50 percent.

FRIDAY NIGHT
Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.

SATURDAY
Showers. Highs in the lower 70s. North winds around 5 mph, becoming southeast around 5 mph in the afternoon. Chance of rain 80 percent.

SATURDAY NIGHT
Mostly cloudy. Showers in the evening. Lows in the lower 60s. Chance of rain 80 percent.

SUNDAY
Mostly sunny. Highs around 80.

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

MONDAY
Sunny. Highs in the lower 80s.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.

TUESDAY
Mostly sunny. Highs in the mid 80s.

TUESDAY NIGHT
Partly cloudy. Lows in the mid 60s.

WEDNESDAY
Mostly sunny. Highs in the lower 80s.

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 AM CDT 6/25/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
25 JUN 2026

2 PM

79°

80°

Partly Cloudy

0%

0% Thunder
( 1% severe)

SSW 9

50%

59°

High 80°

5 PM

79°

80°

Partly Cloudy

S 8

54%

61°

Partly Cloudy

8 PM

71°

71°

Partly Cloudy

1%

0% Thunder
( 2% severe)

S 7

73%

62°

11 PM

67°

67°

Partly Cloudy

S 6

84%

62°

Friday
26 JUN 2026

2 AM

65°

65°

Mostly Cloudy

48%
RAIN
.5–1 in

0% Thunder
( 8% severe)

S 6

90%

62°

Low 61°

5 AM

64°

64°

Mostly Cloudy

SSW 6

93%

62°

High 79°

8 AM

69°

69°

Mostly Cloudy

46%
RAIN
.01–.1 in

0% Thunder
( 6% severe)

S 7

84%

64°

Mostly Cloudy

Chance of Rain

11 AM

75°

75°

Mostly Cloudy

S 10

74%

66°

2 PM

78°

80°

Mostly Cloudy

4%

0% Thunder
( 7% severe)

S 10

69%

67°

5 PM

79°

81°

Mostly Cloudy

SSW 9

69%

68°

8 PM

74°

74°

Mostly Cloudy

4%

0% Thunder
( 4% severe)

SW 7

79%

67°

11 PM

70°

70°

Mostly Cloudy

WSW 1

84%

65°

Saturday
27 JUN 2026

2 AM

67°

67°

Mostly Cloudy

27%
RAIN
.1–.25 in

0% Thunder
( 6% severe)

CALM

90%

64°

Low 62°

5 AM

65°

65°

Mostly Cloudy

CALM

90%

62°

High 75°

8 AM

70°

70°

Mostly Cloudy

47%
RAIN
***

0% Thunder
( 4% severe)

CALM

81%

64°

Mostly Cloudy

Chance of Rain

11 AM

75°

75°

Mostly Cloudy

SW 3

71%

65°

2 PM

75°

75°

Mostly Cloudy

47%
RAIN
1–2 in

0% Thunder
( 2% severe)

ESE 6

74%

66°

5 PM

75°

75°

Mostly Cloudy

SE 5

74%

66°

8 PM

71°

71°

Mostly Cloudy

CALM

84%

66°


GROTON, CT extended weather forecast
Sunday 28 JUN 2026	Monday 29 JUN 2026	Tuesday 30 JUN 2026	Wednesday 1 JUL 2026	Thursday 2 JUL 2026
Low 65°	Low 62°	Low 63°	Low 64°	Low 67°
High 77°	High 81°	High 80°	High 79°	High 82°

Mostly Cloudy 22% Rain	Partly Cloudy 22% Rain	Partly Cloudy 17% Rain	Partly Cloudy 17% Rain	Mostly Cloudy 33% Rain

WEATHER SELECT BOX EXAMPLES:

for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:

Groton, CT
Groton, CT snow
Groton, CT radar
CT map

-or-
-or-
-or-

06340
06340 snow
06340 radar

-or-
-or-

CT
CT snow

Copyright © 2024 WeatherStreet.com

Put our free WeatherStreet weather lookup on your web page.

Terms & Conditions
This is not clickable - please e-mail us separately

This is not clickable - please e-mail us separately