HomeForecastsConnecticut ForecastsOld Lyme, CT Marine Weather

Old Lyme, CT Marine Weather Forecast

This Afternoon - 40°F
Dec 04, 2025
18 to 22 mph W
Sunny
Sunny. High near 40, with temperatures falling to around 38 in the afternoon. West wind 18 to 22 mph.
Tonight - 19°F
Dec 04, 2025
7 to 24 mph NW
Mostly Clear
Mostly clear, with a low around 19. Wind chill values as low as 9. Northwest wind 7 to 24 mph.
Friday - 34°F
Dec 05, 2025
7 mph S
Sunny
Sunny. High near 34, with temperatures falling to around 32 in the afternoon. Wind chill values as low as 11. South wind around 7 mph.
Friday Night - 30°F
Dec 05, 2025
5 mph NE
Mostly Cloudy then Slight Chance Rain And Snow
A slight chance of rain and snow after 1am. Mostly cloudy. Low around 30, with temperatures rising to around 34 overnight. Northeast wind around 5 mph. Chance of precipitation is 20%.
Saturday - 42°F
Dec 06, 2025
3 to 9 mph W
Chance Rain And Snow
A chance of rain and snow before 1pm. Mostly cloudy, with a high near 42. West wind 3 to 9 mph. Chance of precipitation is 30%.
Saturday Night - 30°F
Dec 06, 2025
8 mph W
Partly Cloudy
Partly cloudy. Low around 30, with temperatures rising to around 32 overnight.
Sunday - 41°F
Dec 07, 2025
8 mph NW
Partly Sunny
Partly sunny, with a high near 41.
Sunday Night - 27°F
Dec 07, 2025
6 to 13 mph NW
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after 1am. Mostly cloudy, with a low around 27.
Monday - 33°F
Dec 08, 2025
14 to 17 mph NW
Slight Chance Light Rain then Mostly Sunny
A slight chance of rain before 7am. Mostly sunny, with a high near 33.
Monday Night - 19°F
Dec 08, 2025
8 to 15 mph NW
Mostly Clear
Mostly clear, with a low around 19.
Tuesday - 38°F
Dec 09, 2025
8 to 14 mph SW
Partly Sunny then Slight Chance Rain And Snow
A slight chance of rain and snow after 1pm. Partly sunny, with a high near 38.
Tuesday Night - 33°F
Dec 09, 2025
10 to 14 mph SW
Slight Chance Rain And Snow then Chance Rain And Snow
A slight chance of rain and snow before 7pm, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.
Wednesday - 44°F
Dec 10, 2025
12 mph SW
Slight Chance Light Rain
A slight chance of rain. Mostly cloudy, with a high near 44.
Wednesday Night - 36°F
Dec 10, 2025
12 mph SW
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 36.

Don't Miss