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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: 950 PM EDT Tue Mar 10 2026
Weather forecast for Old Lyme, CT
Tonight Lo: 39°F Lo: 4°C |
Tonight... Partly cloudy. Patchy fog after midnight. Lows in the upper 30s. South winds around 5 mph. |
Wed Hi: 55°FHi: 13°C Lo: 49°F Lo: 9°C |
Wednesday... Partly sunny. Patchy fog in the morning. A slight chance of showers in the afternoon. Highs in the mid 50s. Southeast winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 20%. |
Thu Hi: 55°FHi: 13°C Lo: 29°F Lo: -2°C |
Thursday... Rain likely. Highs in the mid 50s. Temperature falling into the lower 40s in the afternoon. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 60%. |
Fri Hi: 45°FHi: 7°C Lo: 35°F Lo: 2°C |
Friday... Sunny in the morning, then becoming mostly cloudy. Highs in the mid 40s. |
Sat Hi: 49°FHi: 9°C Lo: 30°F Lo: -1°C |
Saturday... Sunny. Highs in the upper 40s. |
| Sun Hi: 49°FHi: 9°C Lo: 40°F Lo: 4°C |
Sunday... Mostly cloudy. Highs in the upper 40s. |
| Mon Hi: 55°FHi: 13°C Lo: 25°F Lo: -4°C |
Monday... Rain. Highs in the mid 50s. Chance of rain 90%. |
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