National Weather Service Forecast for: 3 Miles ESE Stonington CT
Issued by: National Weather Service Norton, MA
Updated: 2:31 am EDT Aug 20, 2026
 
Today

Today: Increasing clouds, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Increasing
Clouds

 Tonight

Tonight: A slight chance of showers before 7pm, then showers likely after 8pm. The rain could be heavy at times. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 64. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Heavy Rain
and Patchy
Fog
 Friday

Friday: A chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 76. Northeast wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Chance
Showers and
Patchy Fog
 Friday
Night
Friday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 65. Northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Chance
Showers then
Showers
Likely
 Saturday

Saturday: Showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. High near 74. East wind 7 to 9 mph. Chance of precipitation is 80%.
Showers and
Patchy Fog

 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 67. Light northeast wind. Chance of precipitation is 70%.
Showers
Likely

 Sunday

Sunday: A chance of showers before 2pm. Partly sunny, with a high near 77. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 40%.
Chance
Showers

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 67. West wind around 6 mph.
Mostly Cloudy

 Monday

Monday: Sunny, with a high near 76. Southwest wind 6 to 11 mph.
Sunny
Hi 80 °F Lo 64 °F Hi 76 °F Lo 65 °F Hi 74 °F Lo 67 °F Hi 77 °F Lo 67 °F Hi 76 °F

 

Today
 
 Increasing clouds, with a high near 80. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tonight
 
 A slight chance of showers before 7pm, then showers likely after 8pm. The rain could be heavy at times. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 64. Calm wind becoming north around 6 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Friday
 
 A chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 76. Northeast wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
 
 Showers likely, mainly after 5am. Mostly cloudy, with a low around 65. Northeast wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Showers, with thunderstorms also possible after 2pm. Patchy fog before 8am. High near 74. East wind 7 to 9 mph. Chance of precipitation is 80%.
Saturday Night
 
 Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 67. Light northeast wind. Chance of precipitation is 70%.
Sunday
 
 A chance of showers before 2pm. Partly sunny, with a high near 77. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 40%.
Sunday Night
 
 Mostly cloudy, with a low around 67. West wind around 6 mph.
Monday
 
 Sunny, with a high near 76. Southwest wind 6 to 11 mph.
Monday Night
 
 Mostly clear, with a low around 63. West wind 5 to 7 mph.
Tuesday
 
 Sunny, with a high near 75. Southwest wind 7 to 11 mph.
Tuesday Night
 
 Mostly clear, with a low around 63. Southwest wind around 6 mph.
Wednesday
 
 Sunny, with a high near 75. West wind 5 to 9 mph becoming south in the afternoon.

 

Forecast from NOAA-NWS for 3 Miles ESE Stonington CT.