Weather in Old Lyme, CT
Updated 2026-08-11 12:15 local time · ZIP codes 06371

Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
79°4% rain
87°4% rain
88°3% rain
89°3% rain
87°2% rain
84°2% rain
82°4% rain
79°4% rain
76°5% rain
74°6% rain
72°7% rain
72°6% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 7%).
It feels like 81°F with winds near 7 mph.
76°F, 5% rain chance and 6 mph wind.
Visibility is around 10 mi; gusts may reach 18 mph.
Current temperature is 79°F, wind 7 mph, rain chance up to 7%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
Old Lyme weather today
Partly cloudy and 79°F in Old Lyme, CT. Today's high is 89°F with a 7% rain chance. Winds are around 7 mph with gusts near 9 mph. Relative humidity is 79%, pressure is 29.85 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Old Lyme
Sunrise is at 05:54 AM and sunset is at 07:54 PM. Tomorrow's forecast calls for Sunny with a high near 80°F and a low near 64°F. The maximum rain chance is 57%.