National Weather Service Forecast for: New London CT
Issued by: National Weather Service New York, NY
Updated: 2:27 am EDT Aug 20, 2026
 
Today

Today: A 30 percent chance of showers after 5pm. Increasing clouds, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Sunny then
Chance
Showers
 Tonight

Tonight: Showers, mainly before 2am. Low around 63. Northeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Showers

 Friday

Friday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 78. Northeast wind 7 to 9 mph.
Chance
Showers

 Friday
Night
Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Slight Chance
Showers then
Showers
Likely
 Saturday

Saturday: Showers. High near 76. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Showers

 Saturday
Night
Saturday Night: Showers. Low around 67. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Showers

 Sunday

Sunday: A 40 percent chance of showers. Partly sunny, with a high near 81.
Chance
Showers

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 64.
Mostly Cloudy

 Monday

Monday: Sunny, with a high near 82.
Sunny
Hi 83 °F Lo 63 °F Hi 78 °F Lo 64 °F Hi 76 °F Lo 67 °F Hi 81 °F Lo 64 °F Hi 82 °F

 

Today
 
 A 30 percent chance of showers after 5pm. Increasing clouds, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
 
 Showers, mainly before 2am. Low around 63. Northeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Friday
 
 A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a high near 78. Northeast wind 7 to 9 mph.
Friday Night
 
 Showers likely, mainly after 2am. Mostly cloudy, with a low around 64. Light northeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Showers. High near 76. East wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
 
 Showers. Low around 67. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
 
 A 40 percent chance of showers. Partly sunny, with a high near 81.
Sunday Night
 
 Mostly cloudy, with a low around 64.
Monday
 
 Sunny, with a high near 82.
Monday Night
 
 Mostly clear, with a low around 59.
Tuesday
 
 Sunny, with a high near 80.
Tuesday Night
 
 Mostly clear, with a low around 60.
Wednesday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for New London CT.