OLD SAYBROOK, CT 06475 Weather Forecast & Current Conditions

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06475 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
GROTON, CT Current Weather
7:56 PM EDT JUN 21, 2026
Clear 68°F
Feels Like:	68°F
Dewpoint:	59°F
Rel. Hum.:	73%
Visibility:	10 miles
Wind:	SW at 9 mph
Pressure:	29.90 inches
Last 72 hours
Local Area Snow Depth
Connecticut Current Weather
Connecticut MOS Forecast Weather

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(Automated weather data from NWS/FAA)

06475 WEATHER FORECAST
10-Day model forecast maps 2025 Hurricanes	OLD SAYBROOK, CT 06475 Weather Forecast	Snowfall Forecast pages Snow Depth pages

THIS AFTERNOON
Partly sunny with a 20 percent chance of showers. Highs in the lower 80s. Southwest winds around 5 mph.

TONIGHT
Partly cloudy. Lows around 60. Southwest winds around 5 mph in the evening, becoming light and variable.

MONDAY
Partly sunny in the morning, then cloudy with showers likely in the afternoon. Highs in the mid 70s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

MONDAY NIGHT
Showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 25 mph. Chance of rain near 100 percent.

TUESDAY
Showers with highs around 80. West winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 90 percent.

TUESDAY NIGHT
Partly cloudy with a chance of showers in the evening, then mostly clear after midnight. Lows in the lower 60s. Chance of rain 30 percent.

WEDNESDAY
Sunny. Highs in the lower 80s.

WEDNESDAY NIGHT
Mostly clear. Lows around 60.

THURSDAY
Sunny. Highs in the lower 80s.

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

FRIDAY
Partly sunny. A chance of showers. Highs in the lower 80s. Chance of rain 40 percent.

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

SATURDAY
Partly sunny. A chance of showers in the morning. Highs in the mid 80s. Chance of rain 30 percent.

06475 WEATHER SATELLITE LOOPS

Visible Weather Satellite
OLD SAYBROOK, CT 06475

Infrared Weather Satellite
OLD SAYBROOK, CT 06475

06475 WEATHER RADAR LOOP

NEXRAD Weather Radar
OLD SAYBROOK, CT 06475

MOS COMPUTER WEATHER FORECAST

GROTON, CT 3 hourly weather forecast

weather forecast created 7:00 AM CDT 6/21/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Sunday
21 JUN 2026

2 PM

79°

80°

Clear

6%

0% Thunder
( 9% severe)

SW 10

44%

55°

High 80°

5 PM

79°

80°

Partly Cloudy

WSW 10

45%

56°

Partly Cloudy

8 PM

73°

73°

Partly Cloudy

0%

0% Thunder
( 2% severe)

WSW 6

57%

57°

11 PM

67°

67°

Partly Cloudy

CALM

73%

58°

Monday
22 JUN 2026

2 AM

63°

64°

Partly Cloudy

1%

0% Thunder
( 0% severe)

CALM

81%

57°

Low 59°

5 AM

60°

61°

Partly Cloudy

CALM

84%

55°

High 76°

8 AM

69°

69°

Mostly Cloudy

32%
RAIN
.5–1 in

0% Thunder
( 1% severe)

CALM

66%

57°

Mostly Cloudy

Rain Likely

11 AM

76°

78°

Mostly Cloudy

SE 7

54%

58°

2 PM

73°

73°

Mostly Cloudy

80%
RAIN
***

0% Thunder
( 16% severe)

SSE 8

68%

62°

5 PM

72°

72°

Mostly Cloudy

SE 9

73%

63°

8 PM

69°

69°

Mostly Cloudy

88%
RAIN
***

0% Thunder
( 24% severe)

S 10

87%

65°

11 PM

68°

68°

Mostly Cloudy

S 10

93%

66°

Tuesday
23 JUN 2026

2 AM

67°

67°

Mostly Cloudy

90%
RAIN
***

0% Thunder
( 23% severe)

S 10

97%

66°

Low 61°

5 AM

65°

65°

Mostly Cloudy

S 9

100%

65°

High 79°

8 AM

69°

69°

Mostly Cloudy

56%
RAIN
***

0% Thunder
( 14% severe)

SW 8

90%

66°

Mostly Cloudy

Rain Likely

11 AM

74°

74°

Mostly Cloudy

NW 9

76%

66°

2 PM

77°

79°

Mostly Cloudy

31%
RAIN
.01–.1 in

0% Thunder
( 7% severe)

NW 8

71%

67°

5 PM

79°

81°

Partly Cloudy

NNW 6

64%

66°

8 PM

73°

73°

Partly Cloudy

WNW 3

76%

65°


GROTON, CT extended weather forecast
Wednesday 24 JUN 2026	Thursday 25 JUN 2026	Friday 26 JUN 2026	Saturday 27 JUN 2026	Sunday 28 JUN 2026
Low 60°	Low 61°	Low 62°	Low 63°	Low 62°
High 79°	High 76°	High 74°	High 75°	High 77°

Partly Cloudy 13% Rain	Mostly Cloudy 24% Rain	Overcast 47% Rain	Mostly Cloudy 59% Rain	Mostly Cloudy 50% Rain

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