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Town of Old Lyme, CTOld Lyme, CT 7-Day Weather Forecast
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Old Lyme Weather Forecast
Old Lyme, CT Weather Forecast Date: 305 PM EDT Thu Mar 12 2026
Weather forecast for Old Lyme, CT
Tonight Lo: 29°F Lo: -2°C |
Tonight... Mostly cloudy with snow this evening, then mostly clear after midnight. Little or no snow accumulation. Cooler with lows in the upper 20s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of snow 90%. |
Fri Hi: 45°FHi: 7°C Lo: 35°F Lo: 2°C |
Friday... Sunny in the morning, then becoming partly sunny. Highs in the mid 40s. West winds around 5 mph, becoming southwest 10 to 15 mph with gusts up to 30 mph in the afternoon. |
Sat Hi: 49°FHi: 9°C Lo: 29°F Lo: -2°C |
Saturday... Sunny. Highs in the upper 40s. West winds 15 to 20 mph with gusts up to 35 mph. |
| Sun Hi: 45°FHi: 7°C Lo: 35°F Lo: 2°C |
Sunday... Mostly cloudy. Highs in the mid 40s. |
Mon Hi: 55°FHi: 13°C Lo: 39°F Lo: 4°C |
Monday... Rain with a chance of thunderstorms. Highs in the mid 50s. Chance of rain near 100%. |
Tue Hi: 45°FHi: 7°C Lo: 21°F Lo: -6°C |
Tuesday... Mostly cloudy with a chance of rain in the morning, then mostly sunny in the afternoon. Highs in the mid 40s. Chance of rain 50%. |
| Wed Hi: 39°FHi: 4°C Lo: 25°F Lo: -4°C |
Wednesday... Sunny. Highs in the upper 30s. |
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