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
8:56 PM EDT APR 4, 2026
Overcast Light Rain 45°F
Feels Like:	38°F
Dewpoint:	36°F
Rel. Hum.:	71%
Visibility:	10 miles
Wind:	E at 15 mph, gusts to 21
Pressure:	30.31 inches
Last 72 hours
Local Area Snow Depth
Connecticut Current Weather
Connecticut MOS Forecast Weather

Regional Weather Maps

(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. Highs in the mid 60s. Temperature falling into the lower 50s late. East winds 10 to 15 mph with gusts up to 30 mph.

TONIGHT
Cloudy. A chance of showers with areas of heavy drizzle after midnight. Areas of dense fog after midnight with visibility one quarter mile or less at times. Lows in the lower 40s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

SUNDAY
Areas of dense fog in the morning. A chance of showers with areas of heavy drizzle in the morning, then showers in the afternoon. Visibility one quarter mile or less at times in the morning. Highs in the upper 50s. South winds 10 to 15 mph, becoming southwest in the afternoon. Chance of rain near 100 percent.

SUNDAY NIGHT
Mostly cloudy with showers likely in the evening, then partly cloudy after midnight. Lows in the upper 30s. West winds 5 to 10 mph. Gusts up to 20 mph after midnight. Chance of rain 70 percent.

MONDAY
Sunny. Highs in the lower 50s. West winds 5 to 10 mph with gusts up to 20 mph.

MONDAY NIGHT
Partly cloudy. Lows in the mid 30s.

TUESDAY
Mostly sunny. Highs around 50.

TUESDAY NIGHT
Mostly clear. Lows in the upper 20s.

WEDNESDAY
Sunny. Highs in the upper 40s.

WEDNESDAY NIGHT
Mostly clear. Lows in the lower 30s.

THURSDAY
Mostly sunny. Highs in the lower 50s.

THURSDAY NIGHT
Partly cloudy. Lows in the lower 40s.

FRIDAY
Mostly sunny. Highs in the lower 60s.

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 6:00 AM CST 4/ 4/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Saturday
4 APR 2026

1 PM

54°

50°

Partly Cloudy

9%

0% Thunder
( 0% severe)

E 14

64%

42°

High 55°

4 PM

49°

43°

Partly Cloudy

E 15

63%

37°

Mostly Cloudy

7 PM

43°

36°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 3% severe)

E 14

70%

34°

10 PM

40°

33°

Mostly Cloudy

E 12

82%

35°

Sunday
5 APR 2026

1 AM

40°

34°

Mostly Cloudy

33%
RAIN
***

0% Thunder
( 6% severe)

E 9

89%

37°

Low 40°

4 AM

42°

36°

Mostly Cloudy

ESE 10

93%

40°

High 56°

7 AM

47°

41°

Mostly Cloudy

58%
RAIN
***

0% Thunder
( 15% severe)

S 13

93%

45°

Mostly Cloudy

Rain

10 AM

52°

47°

Mostly Cloudy

SW 16

86%

48°

1 PM

53°

48°

Mostly Cloudy

92%
RAIN
***

0% Thunder
( 13% severe)

SW 17

83%

48°

4 PM

53°

49°

Mostly Cloudy

SW 14

83%

48°

7 PM

51°

47°

Mostly Cloudy

23%
RAIN
.1–.25 in

0% Thunder
( 2% severe)

SW 10

80%

45°

10 PM

48°

44°

Mostly Cloudy

NW 9

74%

40°

Monday
6 APR 2026

1 AM

44°

39°

Mostly Cloudy

4%

0% Thunder
( 0% severe)

WNW 9

65%

33°

Low 38°

4 AM

40°

33°

Partly Cloudy

WNW 10

67%

30°

High 52°

7 AM

40°

33°

Clear

1%

0% Thunder
( 0% severe)

WNW 12

62%

28°

Partly Cloudy

10 AM

46°

40°

Partly Cloudy

W 13

47%

27°

1 PM

48°

42°

Partly Cloudy

2%

0% Thunder
( 1% severe)

WSW 14

43%

27°

4 PM

49°

44°

Partly Cloudy

W 12

44%

28°

7 PM

46°

42°

Partly Cloudy

W 7

51%

29°


GROTON, CT extended weather forecast
Tuesday 7 APR 2026	Wednesday 8 APR 2026	Thursday 9 APR 2026	Friday 10 APR 2026	Saturday 11 APR 2026
Low 37°	Low 23°	Low 32°	Low 43°	Low 39°
High 52°	High 44°	High 54°	High 57°	High 53°

Partly Cloudy 37% Rain/Snow	Clear 11% Snow	Mostly Cloudy 25% Rain/Snow	Overcast 29% Rain	Mostly Cloudy 38% Rain

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