National Weather Service Forecast for: Bristol CT
Issued by: National Weather Service Norton, MA
Updated: 10:19 pm EDT Sep 12, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 62. South wind 3 to 5 mph.
Mostly Cloudy

Sunday

Sunday: Showers and thunderstorms before 2pm, then a chance of showers between 2pm and 3pm. Some of the storms could produce heavy rainfall.  High near 75. Light and variable wind.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain

Sunday
Night
Sunday Night: A slight chance of showers after 1am.  Increasing clouds, with a low around 61. Calm wind becoming northwest around 5 mph after midnight.  Chance of precipitation is 20%.
Partly Cloudy
then Slight
Chance
Showers
Monday

Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 74. North wind 9 to 14 mph, with gusts as high as 29 mph.
Becoming
Sunny

Monday
Night
Monday Night: Clear, with a low around 47. North wind around 6 mph.
Clear

Tuesday

Tuesday: Sunny, with a high near 70. Northeast wind 5 to 7 mph becoming south in the afternoon.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52. Light south wind.
Mostly Clear

Wednesday

Wednesday: Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 59. Light southwest wind.
Partly Cloudy

Lo 62 °F Hi 75 °F Lo 61 °F Hi 74 °F Lo 47 °F Hi 70 °F Lo 52 °F Hi 77 °F Lo 59 °F

 

Tonight
 
Mostly cloudy, with a low around 62. South wind 3 to 5 mph.
Sunday
 
Showers and thunderstorms before 2pm, then a chance of showers between 2pm and 3pm. Some of the storms could produce heavy rainfall. High near 75. Light and variable wind. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
 
A slight chance of showers after 1am. Increasing clouds, with a low around 61. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 20%.
Monday
 
Mostly cloudy through mid morning, then gradual clearing, with a high near 74. North wind 9 to 14 mph, with gusts as high as 29 mph.
Monday Night
 
Clear, with a low around 47. North wind around 6 mph.
Tuesday
 
Sunny, with a high near 70. Northeast wind 5 to 7 mph becoming south in the afternoon.
Tuesday Night
 
Mostly clear, with a low around 52. Light south wind.
Wednesday
 
Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
 
Partly cloudy, with a low around 59. Light southwest wind.
Thursday
 
Mostly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
 
Partly cloudy, with a low around 61. South wind around 6 mph.
Friday
 
A chance of showers. Partly sunny, with a high near 77. Northwest wind around 7 mph. Chance of precipitation is 30%.
Friday Night
 
A chance of showers. Mostly cloudy, with a low around 55. North wind around 6 mph. Chance of precipitation is 30%.
Saturday
 
Mostly sunny, with a high near 72. North wind around 7 mph becoming southwest in the afternoon.

 

Forecast from NOAA-NWS for Bristol CT.