OLD LYME, CT 06371 Weather Forecast & Current Conditions

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GROTON, CT
Current Weather

1:56 PM EDT AUG 13, 2025
Few Clouds
81°F
Feels Like: 86°F
Dewpoint: 73°F
Rel. Hum.: 77%
Visibility: 10 miles
Wind: SSW at 10 mph
Pressure: 29.87 inches
Last 72 hours

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OLD LYME, CT 06371
Weather Forecast

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THIS AFTERNOON
Mostly sunny. Highs in the mid 80s. South winds around 10 mph.
TONIGHT
Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Patchy fog after midnight. Humid with lows around 70. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
THURSDAY
Mostly cloudy. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds around 5 mph. Chance of rain 50 percent.
THURSDAY NIGHT
Partly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. East winds around 5 mph, becoming north after midnight. Chance of rain 50 percent.
FRIDAY
Sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph, becoming east in the afternoon.
FRIDAY NIGHT
Mostly clear. Lows in the lower 60s.
SATURDAY
Sunny. Highs in the lower 80s.
SATURDAY NIGHT
Mostly clear. Lows in the mid 60s.
SUNDAY
Mostly sunny. Highs in the mid 80s.
SUNDAY NIGHT
Mostly cloudy. Lows in the mid 60s.
MONDAY
Partly sunny. Highs around 80.
MONDAY NIGHT
Partly cloudy. Lows in the upper 50s.
TUESDAY
Mostly sunny. Highs in the upper 70s.

Visible Weather Satellite
OLD LYME, CT 06371
Infrared Weather Satellite
OLD LYME, CT 06371
NEXRAD Weather Radar
OLD LYME, CT 06371

GROTON, CT 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/13/2025
Wednesday
13 AUG 2025
OLD LYME, CT 06371 weather forecast Day 1, 12 hours 2 PM 80° 85° Partly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 16% severe)
SSW   12 85% 75°
High 81° OLD LYME, CT 06371 weather forecast Day 1, 15 hours 5 PM 79° 83° Partly Cloudy SSW   10 85% 74°
Mostly Cloudy



OLD LYME, CT 06371 weather forecast Day 1, 18 hours 8 PM 76° 76° Mostly Cloudy 19%
RAIN
<.01 in
0% Thunder
( 8% severe)
SW   7 94% 74°
OLD LYME, CT 06371 weather forecast Day 1, 21 hours 11 PM 73° 73° Mostly Cloudy SSW   5 100% 73°
Thursday
14 AUG 2025
OLD LYME, CT 06371 weather forecast Day 2, 0 hours 2 AM 72° 72° Mostly Cloudy 27%
RAIN
.01–.1 in
0% Thunder
( 14% severe)
SSW   3 100% 72°
Low 69° OLD LYME, CT 06371 weather forecast Day 2, 3 hours 5 AM 71° 71° Mostly Cloudy SSW   3 100% 71°
High 82° OLD LYME, CT 06371 weather forecast Day 2, 6 hours 8 AM 74° 74° Mostly Cloudy 44%
RAIN
.25–.5 in
0% Thunder
( 15% severe)
WSW   3 100% 74°

Mostly Cloudy

Chance of Rain

OLD LYME, CT 06371 weather forecast Day 2, 9 hours 11 AM 77° 78° Mostly Cloudy S   5 94% 75°
OLD LYME, CT 06371 weather forecast Day 2, 12 hours 2 PM 78° 81° Mostly Cloudy 40%
RAIN
.25–.5 in
0% Thunder
( 32% severe)
SSW   6 91% 75°
OLD LYME, CT 06371 weather forecast Day 2, 15 hours 5 PM 79° 83° Mostly Cloudy S   5 88% 75°
OLD LYME, CT 06371 weather forecast Day 2, 18 hours 8 PM 76° 76° Mostly Cloudy 10%
RAIN
.25–.5 in
0% Thunder
( 14% severe)
SE   2 94% 74°
OLD LYME, CT 06371 weather forecast Day 2, 21 hours 11 PM 72° 72° Partly Cloudy NNW   1 100% 72°
Friday
15 AUG 2025
OLD LYME, CT 06371 weather forecast Day 3, 0 hours 2 AM 70° 70° Partly Cloudy 8%

0% Thunder
( 2% severe)
N   2 97% 69°
Low 67° OLD LYME, CT 06371 weather forecast Day 3, 3 hours 5 AM 68° 68° Partly Cloudy N   5 93% 66°
High 82° OLD LYME, CT 06371 weather forecast Day 3, 6 hours 8 AM 72° 72° Partly Cloudy 5%

0% Thunder
( 1% severe)
NNE   8 87% 68°

Partly Cloudy



OLD LYME, CT 06371 weather forecast Day 3, 9 hours 11 AM 78° 80° Partly Cloudy NE   9 71% 68°
OLD LYME, CT 06371 weather forecast Day 3, 15 hours 2 PM 79° 82° Partly Cloudy 4%

0% Thunder
( 2% severe)
E   8 72% 69°
OLD LYME, CT 06371 weather forecast Day 3, 18 hours 5 PM 78° 80° Partly Cloudy ESE   8 74% 69°
OLD LYME, CT 06371 weather forecast Day 3, 21 hours 8 PM 73° 73° Partly Cloudy     ESE   6 84% 68°

GROTON, CT extended weather forecast

Saturday
16 AUG 2025
Sunday
17 AUG 2025
Monday
18 AUG 2025
Tuesday
19 AUG 2025
Wednesday
20 AUG 2025
Low 63° Low 65° Low 68° Low 69° Low 63°
High 80° High 84° High 83° High 79° High 76°
OLD LYME, CT 06371 weather forecast Day 4 OLD LYME, CT 06371 weather forecast Day 5 OLD LYME, CT 06371 weather forecast Day 6 OLD LYME, CT 06371 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
8% Rain
Partly Cloudy
25% Rain
Mostly Cloudy
30% Rain
Mostly Cloudy
59% Rain
Overcast
47% Rain
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