National Weather Service Forecast for: Willimantic CT
Issued by: National Weather Service Norton, MA
Updated: 2:50 am EST Dec 5, 2025
 
Today

Today: Sunny, with a high near 28. Calm wind becoming south around 6 mph.
Sunny

Tonight

Tonight: Increasing clouds, with a low around 20. Calm wind.
Increasing
Clouds

Saturday

Saturday: A slight chance of snow before 11am, then a slight chance of rain between 11am and 3pm.  Mostly cloudy, with a high near 41. Calm wind becoming southwest around 6 mph in the afternoon.  Chance of precipitation is 20%.
Slight Chance
Rain/Snow
then Slight
Chance Rain
Saturday
Night
Saturday Night: Partly cloudy, with a low around 23. Light west wind.
Partly Cloudy

Sunday

Sunday: Partly sunny, with a high near 39. Calm wind becoming northwest around 5 mph.
Partly Sunny

Sunday
Night
Sunday Night: A chance of snow, mainly after 8pm.  Mostly cloudy, with a low around 20. Calm wind becoming northwest around 6 mph after midnight.  Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Chance Snow

Monday

Monday: Mostly sunny, with a high near 29. Northwest wind 10 to 15 mph.
Mostly Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 9. Northwest wind 5 to 7 mph becoming calm  after midnight.
Mostly Clear

Tuesday

Tuesday: Partly sunny, with a high near 34. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Partly Sunny

Hi 28 °F Lo 20 °F Hi 41 °F Lo 23 °F Hi 39 °F Lo 20 °F Hi 29 °F Lo 9 °F Hi 34 °F

 

Today
 
Sunny, with a high near 28. Calm wind becoming south around 6 mph.
Tonight
 
Increasing clouds, with a low around 20. Calm wind.
Saturday
 
A slight chance of snow before 11am, then a slight chance of rain between 11am and 3pm. Mostly cloudy, with a high near 41. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
 
Partly cloudy, with a low around 23. Light west wind.
Sunday
 
Partly sunny, with a high near 39. Calm wind becoming northwest around 5 mph.
Sunday Night
 
A chance of snow, mainly after 8pm. Mostly cloudy, with a low around 20. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 40%. New snow accumulation of less than one inch possible.
Monday
 
Mostly sunny, with a high near 29. Northwest wind 10 to 15 mph.
Monday Night
 
Mostly clear, with a low around 9. Northwest wind 5 to 7 mph becoming calm after midnight.
Tuesday
 
Partly sunny, with a high near 34. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
 
A chance of snow between 9pm and 11pm. Mostly cloudy, with a low around 23. Southwest wind 5 to 7 mph. Chance of precipitation is 30%.
Wednesday
 
A chance of rain. Mostly cloudy, with a high near 46. South wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
 
Rain likely. Cloudy, with a low around 33. Southwest wind around 7 mph. Chance of precipitation is 60%.
Thursday
 
A chance of rain. Mostly cloudy, with a high near 43. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

 

Forecast from NOAA-NWS for Willimantic CT.