National Weather Service

News Headlines

Heading to the Beach? Check out our Surf Zone Forecast

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

65°F

18°C

Humidity	87%
Wind Speed	W 6 mph
Barometer	30.01 in (1016.0 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	13 Jun 12:56 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Old Lyme CT

Overnight
Low: 59 °F
Patchy Fog
Thursday
High: 79 °F
Sunny
Thursday Night
Low: 62 °F
Mostly Clear
Friday
High: 81 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 61 °F
Showers
Likely
Saturday
High: 80 °F
Sunny
Saturday Night
Low: 55 °F
Clear
Sunday
High: 77 °F
Sunny
Sunday Night
Low: 59 °F
Partly Cloudy

Detailed Forecast

Overnight

Patchy fog after 2am. Otherwise, mostly clear, with a low around 59. West wind 3 to 5 mph.

Thursday

Sunny, with a high near 79. Light west wind becoming south 5 to 9 mph in the morning.

Thursday Night

Mostly clear, with a low around 62. Southwest wind around 7 mph.

Friday

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 81. South wind 8 to 14 mph. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 61. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday

Sunny, with a high near 80.

Saturday Night

Clear, with a low around 55.

Sunday

Sunny, with a high near 77.

Sunday Night

Partly cloudy, with a low around 59.

Monday

Mostly sunny, with a high near 81.

Monday Night

Partly cloudy, with a low around 64.