National Weather Service Forecast for: New Britain CT
Issued by: National Weather Service Norton, MA
Updated: 12:19 pm EDT Jul 5, 2025
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 85. Southwest wind around 8 mph.
Mostly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 66. South wind around 8 mph.
Partly Cloudy

 Sunday

Sunday: Mostly sunny and hot, with a high near 91. Southwest wind 8 to 14 mph.
Hot

 Sunday
Night
Sunday Night: Mostly clear, with a low around 70. Southwest wind 6 to 10 mph.
Mostly Clear

 Monday

Monday: A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 91. South wind 6 to 11 mph. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Monday
Night
Monday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. South wind 5 to 9 mph. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 Tuesday

Tuesday: A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 88. Southwest wind 3 to 7 mph. Chance of precipitation is 50%.
Chance
T-storms

 Tuesday
Night
Tuesday Night: A chance of showers before 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Chance
Showers

 Wednesday

Wednesday: Mostly sunny, with a high near 87. North wind 3 to 6 mph.
Mostly Sunny
Hi 85 °F Lo 66 °F Hi 91 °F Lo 70 °F Hi 91 °F Lo 71 °F Hi 88 °F Lo 69 °F Hi 87 °F

Heat Advisory
 

This Afternoon
 
 Mostly sunny, with a high near 85. Southwest wind around 8 mph.
Tonight
 
 Partly cloudy, with a low around 66. South wind around 8 mph.
Sunday
 
 Mostly sunny and hot, with a high near 91. Southwest wind 8 to 14 mph.
Sunday Night
 
 Mostly clear, with a low around 70. Southwest wind 6 to 10 mph.
Monday
 
 A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 91. South wind 6 to 11 mph. Chance of precipitation is 20%.
Monday Night
 
 A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. South wind 5 to 9 mph. Chance of precipitation is 30%.
Tuesday
 
 A chance of showers, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 88. Southwest wind 3 to 7 mph. Chance of precipitation is 50%.
Tuesday Night
 
 A chance of showers before 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
 
 Mostly sunny, with a high near 87. North wind 3 to 6 mph.
Wednesday Night
 
 Partly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm in the evening.
Thursday
 
 A chance of showers. Partly sunny, with a high near 83. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
 
 A chance of showers. Mostly cloudy, with a low around 67. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Friday
 
 A chance of showers. Mostly cloudy, with a high near 81. East wind 3 to 8 mph. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for New Britain CT.