National Weather Service Forecast for: Willimantic CT
Issued by: National Weather Service Norton, MA
Updated: 3:27 pm EDT Jun 18, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 62. West wind around 9 mph, with gusts as high as 21 mph.
Partly Cloudy

 Juneteenth

Juneteenth: Mostly sunny, with a high near 82. West wind 9 to 13 mph, with gusts as high as 24 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 59. West wind 7 to 9 mph, with gusts as high as 20 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 80. West wind 14 to 17 mph, with gusts as high as 28 mph.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 58. West wind 5 to 8 mph.
Mostly Clear

 Sunday

Sunday: A chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 82. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Sunny then
Chance
Showers
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 57. Calm wind.
Partly Cloudy

 Monday

Monday: Showers likely, mainly after 2pm. The rain could be heavy at times. Mostly cloudy, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Heavy Rain

 Monday
Night
Monday Night: Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 59. Southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Heavy Rain
Lo 62 °F Hi 82 °F Lo 59 °F Hi 80 °F Lo 58 °F Hi 82 °F Lo 57 °F Hi 76 °F Lo 59 °F

 

Tonight
 
 Partly cloudy, with a low around 62. West wind around 9 mph, with gusts as high as 21 mph.
Juneteenth
 
 Mostly sunny, with a high near 82. West wind 9 to 13 mph, with gusts as high as 24 mph.
Friday Night
 
 Mostly clear, with a low around 59. West wind 7 to 9 mph, with gusts as high as 20 mph.
Saturday
 
 Sunny, with a high near 80. West wind 14 to 17 mph, with gusts as high as 28 mph.
Saturday Night
 
 Mostly clear, with a low around 58. West wind 5 to 8 mph.
Sunday
 
 A chance of showers and thunderstorms, mainly after 5pm. Sunny, with a high near 82. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Sunday Night
 
 Partly cloudy, with a low around 57. Calm wind.
Monday
 
 Showers likely, mainly after 2pm. The rain could be heavy at times. Mostly cloudy, with a high near 76. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 60%.
Monday Night
 
 Showers likely. The rain could be heavy at times. Mostly cloudy, with a low around 59. Southeast wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Tuesday
 
 A chance of showers before 1pm. Partly sunny, with a high near 81. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Tuesday Night
 
 Partly cloudy, with a low around 59. West wind around 6 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 83. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 59. Light and variable wind.
Thursday
 
 A chance of showers. Mostly sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Willimantic CT.