National Weather Service Forecast for: Willimantic CT
Issued by: National Weather Service Norton, MA
Updated: 1:02 pm EST Dec 16, 2025
 
Tonight

Tonight: Mostly cloudy, then gradual clearing toward daybreak, with a low around 22. Southwest wind 5 to 11 mph, with gusts as high as 24 mph.
Clearing Late

 Wednesday

Wednesday: Sunny, with a high near 44. Southwest wind 13 to 17 mph, with gusts as high as 32 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 24. West wind 5 to 10 mph, with gusts as high as 23 mph.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 52. Calm wind becoming south 5 to 9 mph in the afternoon.
Mostly Sunny

 Thursday
Night
Thursday Night: Rain, mainly after midnight. Low around 39. South wind 8 to 17 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Chance Rain
then Rain
 Friday

Friday: Rain, mainly before 3pm. High near 57. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%.
Rain and
Breezy
 Friday
Night
Friday Night: A chance of rain before 7pm. Partly cloudy, with a low around 25. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Chance Rain
then Partly
Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 39. West wind 8 to 10 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 29. Southwest wind around 8 mph.
Mostly Cloudy
Lo 22 °F Hi 44 °F Lo 24 °F Hi 52 °F Lo 39 °F Hi 57 °F Lo 25 °F Hi 39 °F Lo 29 °F

 

Tonight
 
 Mostly cloudy, then gradual clearing toward daybreak, with a low around 22. Southwest wind 5 to 11 mph, with gusts as high as 24 mph.
Wednesday
 
 Sunny, with a high near 44. Southwest wind 13 to 17 mph, with gusts as high as 32 mph.
Wednesday Night
 
 Mostly clear, with a low around 24. West wind 5 to 10 mph, with gusts as high as 23 mph.
Thursday
 
 Mostly sunny, with a high near 52. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
 
 Rain, mainly after midnight. Low around 39. South wind 8 to 17 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Friday
 
 Rain, mainly before 3pm. High near 57. Breezy, with a south wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 90%.
Friday Night
 
 A chance of rain before 7pm. Partly cloudy, with a low around 25. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday
 
 Mostly sunny, with a high near 39. West wind 8 to 10 mph.
Saturday Night
 
 Mostly cloudy, with a low around 29. Southwest wind around 8 mph.
Sunday
 
 Partly sunny, with a high near 45. Southwest wind 8 to 11 mph.
Sunday Night
 
 Partly cloudy, with a low around 23. West wind around 7 mph.
Monday
 
 Mostly sunny, with a high near 35. Northwest wind 7 to 9 mph.
Monday Night
 
 Partly cloudy, with a low around 20. Northwest wind around 6 mph.
Tuesday
 
 A chance of rain and snow. Partly sunny, with a high near 39. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Willimantic CT.