| NWS Forecast for: Old Lyme CT Issued by: National Weather Service New York, NY Last Update: 3:50 pm EDT Apr 21, 2026 | |
| Tonight: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 39. Light south wind increasing to 5 to 9 mph after midnight. Wednesday: A 50 percent chance of showers, mainly before 11am. Cloudy, with a high near 49. Southeast wind 10 to 13 mph. Wednesday Night: Mostly cloudy, with a low around 41. East wind around 5 mph becoming calm in the evening. Thursday: Mostly sunny, with a high near 64. Calm wind becoming northwest 5 to 9 mph in the morning. Thursday Night: Partly cloudy, with a low around 42. Light north wind. Friday: Mostly sunny, with a high near 57. Friday Night: Mostly clear, with a low around 39. Saturday: Partly sunny, with a high near 55. Saturday Night: Mostly cloudy, with a low around 39. Sunday: Partly sunny, with a high near 56. Sunday Night: Partly cloudy, with a low around 42. Monday: Partly sunny, with a high near 58. Monday Night: Mostly cloudy, with a low around 44. Tuesday: A 40 percent chance of showers. Partly sunny, with a high near 59. | |
| Old Lyme CT 41.31°N 72.33°W (Elev. 43 ft) | |
Visit your local NWS office at: https://www.weather.gov/okx/ |