National Weather Service Forecast for: Willimantic CT
Issued by: National Weather Service Norton, MA
Updated: 2:29 pm EDT Oct 6, 2026
 
Tonight

Tonight: Areas of frost after 3am. Otherwise, clear, with a low around 32. Northwest wind 5 to 7 mph becoming calm in the evening.
Clear then
Areas Frost
 Wednesday

Wednesday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.
Frost then
Sunny
 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 49. Southwest wind around 7 mph.
Mostly Clear
 Thursday

Thursday: A slight chance of showers after 10am. Mostly sunny, with a high near 72. West wind 8 to 11 mph. Chance of precipitation is 20%.
Slight Chance
Showers
 Thursday
Night
Thursday Night: Mostly clear, with a low around 47. West wind 3 to 5 mph.
Mostly Clear
 Friday

Friday: Sunny, with a high near 65. West wind 6 to 11 mph, with gusts as high as 21 mph.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 44. Light northwest wind.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 68. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 48. Calm wind.
Mostly Clear
Lo 32 °F Hi 66 °F Lo 49 °F Hi 72 °F Lo 47 °F Hi 65 °F Lo 44 °F Hi 68 °F Lo 48 °F

Frost Advisory
 

Tonight
 
 Areas of frost after 3am. Otherwise, clear, with a low around 32. Northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
 Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 66. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
 
 Mostly clear, with a low around 49. Southwest wind around 7 mph.
Thursday
 
 A slight chance of showers after 10am. Mostly sunny, with a high near 72. West wind 8 to 11 mph. Chance of precipitation is 20%.
Thursday Night
 
 Mostly clear, with a low around 47. West wind 3 to 5 mph.
Friday
 
 Sunny, with a high near 65. West wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
 
 Mostly clear, with a low around 44. Light northwest wind.
Saturday
 
 Sunny, with a high near 68. Calm wind becoming west 5 to 7 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 48. Calm wind.
Sunday
 
 Mostly sunny, with a high near 70. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
 
 A chance of showers. Mostly cloudy, with a low around 55. Southwest wind around 6 mph. Chance of precipitation is 40%.
Columbus Day
 
 A chance of showers. Mostly cloudy, with a high near 70. South wind 6 to 9 mph becoming east in the afternoon. Chance of precipitation is 40%.
Monday Night
 
 Mostly cloudy, with a low around 54. North wind around 7 mph.
Tuesday
 
 Mostly sunny, with a high near 69. North wind 7 to 9 mph.

 

Forecast from NOAA-NWS for Willimantic CT.