


NWS Forecast for: Old Lyme CT Issued by: National Weather Service New York, NY Last Update: 6:03 am EDT Jul 15, 2025 | ![]() |
Today: A 30 percent chance of showers and thunderstorms before 11am. Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 83. South wind 3 to 7 mph. Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 70. Light southwest wind. Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 86. Heat index values as high as 97. Calm wind becoming south 5 to 7 mph in the morning. Wednesday Night: A 40 percent chance of showers and thunderstorms. Increasing clouds, with a low around 72. South wind around 6 mph becoming calm in the evening. Thursday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 5 to 10 mph. Thursday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%. Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67. Saturday: Sunny, with a high near 82. Saturday Night: Mostly cloudy, with a low around 66. Sunday: A 40 percent chance of showers. Partly sunny, with a high near 82. Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 68. Monday: Mostly sunny, with a high near 82. | |
Old Lyme CT 41.31°N 72.33°W (Elev. 43 ft) | |
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