Weather forecast for: Old Lyme CT
Last Update: 12:51 pm EDT Oct 14, 2026
This Afternoon: Mostly sunny, with a high near 78. West wind around 9 mph.
Tonight: Mostly clear, with a low around 49. Northwest wind around 6 mph, with gusts as high as 20 mph.
Thursday: Sunny, with a high near 64. North wind 3 to 7 mph.
Thursday Night: Showers likely after 2am. Increasing clouds, with a low around 48. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 60%.
Friday: Showers, with thunderstorms also possible after 5pm. High near 70. Southwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night: Showers likely before 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday: Sunny, with a high near 53.
Saturday Night: Mostly clear, with a low around 35.
Sunday: Sunny, with a high near 59.
Sunday Night: Mostly clear, with a low around 40.
Monday: Sunny, with a high near 63.
Monday Night: Partly cloudy, with a low around 45.
Tuesday: Mostly sunny, with a high near 66.