National Weather Service Forecast for: Willimantic CT
Issued by: National Weather Service Norton, MA
Updated: 2:43 am EST Dec 23, 2025
 
Today

Today: Snow before 5pm, then snow likely, possibly mixed with rain. Patchy fog after 9am. High near 35. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.
Snow and
Patchy Fog
then
Rain/Snow and
Patchy Fog
 Tonight

Tonight: Rain likely, possibly mixed with snow before 9pm, then a slight chance of rain between 9pm and 10pm. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 30. Calm wind becoming west 5 to 9 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Rain/Snow
Likely and
Patchy Fog
then Patchy
Fog
 Wednesday

Wednesday: Mostly sunny, with a high near 40. Northwest wind 9 to 18 mph, with gusts as high as 36 mph.
Mostly Sunny


 Wednesday
Night
Wednesday Night: Increasing clouds, with a low around 21. Light and variable wind.
Increasing
Clouds

 Christmas
Day
Christmas Day: Mostly cloudy, with a high near 40. Light southwest wind becoming west 5 to 9 mph in the morning.
Mostly Cloudy


 Thursday
Night
Thursday Night: Partly cloudy, with a low around 16. North wind around 7 mph.
Partly Cloudy


 Friday

Friday: A chance of snow after 3pm. Mostly cloudy, with a high near 28. Northeast wind around 7 mph. Chance of precipitation is 30%.
Mostly Cloudy
then Chance
Snow

 Friday
Night
Friday Night: Snow. Low around 18. East wind 3 to 6 mph. Chance of precipitation is 80%.
Snow


 Saturday

Saturday: Snow likely, mainly before 8am. Mostly cloudy, with a high near 33. Northeast wind around 7 mph. Chance of precipitation is 60%.
Snow Likely
Hi 35 °F Lo 30 °F Hi 40 °F Lo 21 °F Hi 40 °F Lo 16 °F Hi 28 °F Lo 18 °F Hi 33 °F

 

Today
 
 Snow before 5pm, then snow likely, possibly mixed with rain. Patchy fog after 9am. High near 35. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
 
 Rain likely, possibly mixed with snow before 9pm, then a slight chance of rain between 9pm and 10pm. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 30. Calm wind becoming west 5 to 9 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
 
 Mostly sunny, with a high near 40. Northwest wind 9 to 18 mph, with gusts as high as 36 mph.
Wednesday Night
 
 Increasing clouds, with a low around 21. Light and variable wind.
Christmas Day
 
 Mostly cloudy, with a high near 40. Light southwest wind becoming west 5 to 9 mph in the morning.
Thursday Night
 
 Partly cloudy, with a low around 16. North wind around 7 mph.
Friday
 
 A chance of snow after 3pm. Mostly cloudy, with a high near 28. Northeast wind around 7 mph. Chance of precipitation is 30%.
Friday Night
 
 Snow. Low around 18. East wind 3 to 6 mph. Chance of precipitation is 80%.
Saturday
 
 Snow likely, mainly before 8am. Mostly cloudy, with a high near 33. Northeast wind around 7 mph. Chance of precipitation is 60%.
Saturday Night
 
 A chance of snow. Cloudy, with a low around 26. Light northeast wind. Chance of precipitation is 40%.
Sunday
 
 Rain and snow likely. Cloudy, with a high near 42. Light and variable wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 70%.
Sunday Night
 
 Rain and snow likely. Mostly cloudy, with a low around 21. West wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Monday
 
 A chance of snow. Partly sunny, with a high near 30. West wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Willimantic CT.