Your Ultimate Boating Resource

HomeForecastsConnecticut ForecastsOld Lyme, CT Marine Weather

Old Lyme, CT Marine Weather Forecast

Christmas Day - 43°F
Dec 25, 2025
17 mph NW
Mostly Sunny
Mostly sunny. High near 43, with temperatures falling to around 39 in the afternoon. Northwest wind around 17 mph.
Tonight - 20°F
Dec 25, 2025
15 to 20 mph N
Mostly Clear
Mostly clear, with a low around 20. Wind chill values as low as 8. North wind 15 to 20 mph.
Friday - 29°F
Dec 26, 2025
6 to 15 mph N
Partly Sunny then Slight Chance Light Snow
A slight chance of snow after 4pm. Partly sunny, with a high near 29. Wind chill values as low as 6. North wind 6 to 15 mph. Chance of precipitation is 20%.
Friday Night - 24°F
Dec 26, 2025
6 to 14 mph NE
Light Snow
Snow. Cloudy. Low around 24, with temperatures rising to around 26 overnight. Wind chill values as low as 14. Northeast wind 6 to 14 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Saturday - 32°F
Dec 27, 2025
8 to 14 mph NE
Light Snow
Snow before 1pm. Partly sunny. High near 32, with temperatures falling to around 30 in the afternoon. Northeast wind 8 to 14 mph. Chance of precipitation is 90%. New snow accumulation of around one inch possible.
Saturday Night - 21°F
Dec 27, 2025
8 mph N
Partly Cloudy
Partly cloudy. Low around 21, with temperatures rising to around 23 overnight.
Sunday - 39°F
Dec 28, 2025
8 mph W
Partly Sunny
Partly sunny, with a high near 39.
Sunday Night - 33°F
Dec 28, 2025
7 to 13 mph SW
Light Rain
Rain after 7pm. Cloudy, with a low around 33. Chance of precipitation is 80%.
Monday - 47°F
Dec 29, 2025
14 to 18 mph SW
Light Rain
Rain. Cloudy, with a high near 47. Chance of precipitation is 90%.
Monday Night - 27°F
Dec 29, 2025
20 to 24 mph W
Light Rain Likely
Rain likely before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Tuesday - 32°F
Dec 30, 2025
24 mph W
Mostly Sunny
Mostly sunny, with a high near 32.
Tuesday Night - 27°F
Dec 30, 2025
15 to 21 mph W
Partly Cloudy
Partly cloudy, with a low around 27.
Wednesday - 35°F
Dec 31, 2025
14 to 17 mph W
Mostly Sunny
Mostly sunny, with a high near 35.
Wednesday Night - 26°F
Dec 31, 2025
16 mph W
Mostly Cloudy
Mostly cloudy, with a low around 26.

Don't Miss