OLD SAYBROOK, CT 06475 Weather Forecast & Current Conditions

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GROTON, CT
Current Weather

4:56 AM EDT JUN 12, 2025
Clear
64°F
Feels Like: 64°F
Dewpoint: 61°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: SW at 7 mph
Pressure: 29.98 inches
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OLD SAYBROOK, CT 06475
Weather Forecast

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TODAY
Sunny. Highs in the mid 80s. West winds 5 to 10 mph with gusts up to 20 mph.
TONIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Some thunderstorms may produce gusty winds in the evening. Lows in the lower 60s. Northwest winds 5 to 10 mph. Chance of rain 30 percent.
FRIDAY
Partly sunny. A chance of showers, mainly in the morning. Highs in the mid 70s. Northeast winds around 5 mph, becoming southeast in the afternoon. Chance of rain 30 percent.
FRIDAY NIGHT
Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 50s. East winds around 5 mph. Chance of rain 40 percent.
SATURDAY
Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s. East winds 5 to 10 mph.
SATURDAY NIGHT
Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.
SUNDAY
Mostly cloudy with a 30 percent chance of showers. Highs around 70.
SUNDAY NIGHT
Mostly cloudy with a 30 percent chance of showers. Lows in the upper 50s.
MONDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the lower 70s. Chance of rain 30 percent.
MONDAY NIGHT
Mostly cloudy. Lows in the upper 50s.
TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s.
TUESDAY NIGHT
Mostly cloudy. Lows in the lower 60s.
WEDNESDAY
Partly sunny. Highs in the upper 70s.

Visible Weather Satellite
OLD SAYBROOK, CT 06475
Infrared Weather Satellite
OLD SAYBROOK, CT 06475
NEXRAD Weather Radar
OLD SAYBROOK, CT 06475

GROTON, CT 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/11/2025
Thursday
12 JUN 2025
OLD SAYBROOK, CT 06475 weather forecast Day 1, 0 hours 2 AM 65° 65° Clear 1%

0% Thunder
( 1% severe)
SW   8 78% 58°
Low 63° OLD SAYBROOK, CT 06475 weather forecast Day 1, 3 hours 5 AM 64° 64° Clear WSW   9 84% 59°
High 82° OLD SAYBROOK, CT 06475 weather forecast Day 1, 6 hours 8 AM 71° 71° Clear 2%

0% Thunder
( 0% severe)
WSW   10 71% 61°

Partly Cloudy



OLD SAYBROOK, CT 06475 weather forecast Day 1, 9 hours 11 AM 77° 79° Clear WSW   12 62% 63°
OLD SAYBROOK, CT 06475 weather forecast Day 1, 12 hours 2 PM 80° 81° Partly Cloudy 4%

0% Thunder
( 4% severe)
WSW   13 54% 62°
OLD SAYBROOK, CT 06475 weather forecast Day 1, 15 hours 5 PM 79° 80° Partly Cloudy WSW   12 54% 61°
OLD SAYBROOK, CT 06475 weather forecast Day 1, 18 hours 8 PM 73° 73° Partly Cloudy 7%

0% Thunder
( 5% severe)
W   8 57% 57°
OLD SAYBROOK, CT 06475 weather forecast Day 1, 21 hours 11 PM 68° 68° Partly Cloudy NNW   6 65% 56°
Friday
13 JUN 2025
OLD SAYBROOK, CT 06475 weather forecast Day 2, 0 hours 2 AM 65° 65° Partly Cloudy 7%

0% Thunder
( 3% severe)
NNW   5 63% 52°
Low 60° OLD SAYBROOK, CT 06475 weather forecast Day 2, 3 hours 5 AM 63° 64° Mostly Cloudy N   2 67% 52°
High 74° OLD SAYBROOK, CT 06475 weather forecast Day 2, 6 hours 8 AM 67° 67° Partly Cloudy 2%

0% Thunder
( 0% severe)
NE   2 63% 54°

Partly Cloudy



OLD SAYBROOK, CT 06475 weather forecast Day 2, 9 hours 11 AM 71° 71° Partly Cloudy SE   3 57% 55°
OLD SAYBROOK, CT 06475 weather forecast Day 2, 12 hours 2 PM 71° 71° Partly Cloudy 4%

0% Thunder
( 1% severe)
SSE   7 59% 56°
OLD SAYBROOK, CT 06475 weather forecast Day 2, 15 hours 5 PM 69° 69° Partly Cloudy SSE   7 61% 55°
OLD SAYBROOK, CT 06475 weather forecast Day 2, 18 hours 8 PM 64° 64° Mostly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 9% severe)
SE   6 70% 54°
OLD SAYBROOK, CT 06475 weather forecast Day 2, 21 hours 11 PM 62° 63° Mostly Cloudy ESE   3 78% 55°

GROTON, CT extended weather forecast

BAD DAY
BAD DATE
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Low 60° Low 59° Low 60° Low 55° Low 56°
High 73° High 74° High 64° High 68° High 73°
OLD SAYBROOK, CT 06475 weather forecast Day 3 OLD SAYBROOK, CT 06475 weather forecast Day 4 OLD SAYBROOK, CT 06475 weather forecast Day 5 OLD SAYBROOK, CT 06475 weather forecast Day 6 OLD SAYBROOK, CT 06475 weather forecast Day 7
Partly Cloudy
17% Rain
Overcast
63% Rain
Overcast
74% Rain
Mostly Cloudy
43% Rain
Overcast
34% Rain
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