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
2:56 AM EDT MAY 22, 2025
Overcast Light Rain 46°F
Feels Like:	41°F
Dewpoint:	45°F
Rel. Hum.:	96%
Visibility:	10 miles
Wind:	NE at 9 mph
Pressure:
Last 72 hours
Local Area Snow Depth
Connecticut Current Weather
Connecticut MOS Forecast Weather

Weather Map

(Automated weather data from NWS/FAA)

06475 WEATHER FORECAST
10-Day model forecast maps 2024 Hurricanes	OLD SAYBROOK, CT 06475 Weather Forecast	Snowfall Forecast pages Snow Depth pages

OVERNIGHT
Rain. Near steady temperature in the upper 40s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

THURSDAY
Rain, breezy with highs in the lower 50s. Northeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain near 100 percent.

THURSDAY NIGHT
Rain. Lows in the mid 40s. North winds 15 to 20 mph. Chance of rain 90 percent.

FRIDAY
Partly sunny. A chance of showers, mainly in the morning. Highs around 60. Northwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 30 percent.

FRIDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s. West winds 5 to 10 mph.

SATURDAY
Partly sunny. A chance of showers in the morning. Highs in the lower 60s. Chance of rain 30 percent.

SATURDAY NIGHT
Partly cloudy. Lows in the upper 40s.

SUNDAY
Mostly sunny. Highs in the upper 60s.

SUNDAY NIGHT
Partly cloudy. Lows around 50.

MEMORIAL DAY
Mostly sunny. Highs in the lower 70s.

MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.

TUESDAY
Partly sunny in the morning, then becoming mostly cloudy. A 30 percent chance of showers. Highs in the upper 60s.

TUESDAY NIGHT
Mostly cloudy with a 30 percent chance of showers. Lows in the mid 50s.

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 PM CDT 5/21/2025

DAY/DATE &
WEATHER FORECAST SUMMARY

Thursday
22 MAY 2025

2 AM

49°

44°

Mostly Cloudy

99%
RAIN
***

0% Thunder
( 9% severe)

E 14

86%

45°

Low 47°

5 AM

48°

42°

Mostly Cloudy

ENE 16

93%

46°

High 54°

8 AM

50°

44°

Mostly Cloudy

100%
RAIN
***

0% Thunder
( 13% severe)

ENE 16

89%

47°

Mostly Cloudy

Rain

Breezy

11 AM

51°

45°

Mostly Cloudy

ENE 21

86%

47°

2 PM

52°

46°

Mostly Cloudy

91%
RAIN
***

0% Thunder
( 17% severe)

NE 23

83%

47°

5 PM

51°

45°

Mostly Cloudy

NNE 21

83%

46°

8 PM

49°

43°

Mostly Cloudy

59%
RAIN
***

0% Thunder
( 3% severe)

N 16

86%

45°

11 PM

48°

42°

Overcast

NNW 14

86%

44°

Friday
23 MAY 2025

2 AM

47°

42°

Mostly Cloudy

21%
RAIN
1–2 in

0% Thunder
( 1% severe)

NW 12

86%

43°

Low 44°

5 AM

46°

41°

Mostly Cloudy

NW 12

86%

42°

High 59°

8 AM

49°

45°

Mostly Cloudy

5%

0% Thunder
( 0% severe)

WNW 9

80%

43°

Mostly Cloudy

11 AM

54°

51°

Mostly Cloudy

W 10

69%

44°

2 PM

57°

55°

Mostly Cloudy

10%
RAIN
<.01 in

0% Thunder
( 3% severe)

WSW 10

64%

45°

5 PM

57°

55°

Mostly Cloudy

WSW 9

67%

46°

8 PM

54°

53°

Mostly Cloudy

20%
RAIN
<.01 in

0% Thunder
( 5% severe)

WSW 6

80%

48°

11 PM

52°

50°

Mostly Cloudy

W 6

86%

48°


GROTON, CT extended weather forecast
Saturday 24 MAY 2025	Sunday 25 MAY 2025	Monday 26 MAY 2025	Tuesday 27 MAY 2025	Wednesday 28 MAY 2025
Low 45°	Low 45°	Low 49°	Low 51°	Low 50°
High 59°	High 62°	High 67°	High 64°	High 62°

Overcast 69% Rain	Overcast 38% Rain	Overcast 22% Rain	Mostly Cloudy 32% Rain	Overcast 56% Rain

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