National Weather Service Forecast for: New London CT
Issued by: National Weather Service New York, NY
Updated: 7:08 am EDT Jun 22, 2026
 
Today

Today: Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a temperature rising to near 72 by 11am, then falling to around 67 during the remainder of the day. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Partly Sunny
then Showers
Likely
 Tonight

Tonight: Showers and possibly a thunderstorm. Low around 63. South wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Tuesday

Tuesday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 75. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Showers
Likely
 Tuesday
Night
Tuesday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 61. Light northwest wind.
Chance
Showers then
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 79. West wind 5 to 8 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 61.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 79.
Sunny

 Thursday
Night
Thursday Night: A 40 percent chance of showers after 2am. Partly cloudy, with a low around 64.
Partly Cloudy
then Chance
Showers
 Friday

Friday: A 50 percent chance of showers. Partly sunny, with a high near 79.
Chance
Showers
Hi 72 °F⇓ Lo 63 °F Hi 75 °F Lo 61 °F Hi 79 °F Lo 61 °F Hi 79 °F Lo 64 °F Hi 79 °F

 

Today
 
 Showers likely and possibly a thunderstorm, mainly after 5pm. Mostly cloudy, with a temperature rising to near 72 by 11am, then falling to around 67 during the remainder of the day. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers and possibly a thunderstorm. Low around 63. South wind around 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
 
 Showers likely and possibly a thunderstorm before 2pm, then a chance of showers. Mostly cloudy, with a high near 75. Light and variable wind becoming southwest around 6 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
 
 A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 61. Light northwest wind.
Wednesday
 
 Sunny, with a high near 79. West wind 5 to 8 mph.
Wednesday Night
 
 Mostly clear, with a low around 61.
Thursday
 
 Sunny, with a high near 79.
Thursday Night
 
 A 40 percent chance of showers after 2am. Partly cloudy, with a low around 64.
Friday
 
 A 50 percent chance of showers. Partly sunny, with a high near 79.
Friday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 65.
Saturday
 
 Mostly sunny, with a high near 81.
Saturday Night
 
 Partly cloudy, with a low around 65.
Sunday
 
 Sunny, with a high near 82.

 

Forecast from NOAA-NWS for New London CT.