National Weather Service Forecast for: Bethel CT
Issued by: National Weather Service New York, NY
Updated: 9:10 pm EDT Sep 12, 2026
 
Overnight

Overnight: A chance of showers and thunderstorms between 2am and 5am, then showers and possibly a thunderstorm after 5am.  Low around 62. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

Sunday

Sunday: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 5pm. Some of the storms could produce heavy rainfall.  High near 77. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain
then Showers
Likely
Sunday
Night
Sunday Night: A 30 percent chance of showers, mainly after 2am.  Increasing clouds, with a low around 60. Light southwest wind.
Chance
Showers
Monday

Monday: A 30 percent chance of showers before 8am.  Mostly cloudy through mid morning, then clearing, with a high near 72. Northwest wind 9 to 13 mph.
Chance
Showers then
Sunny
Monday
Night
Monday Night: Mostly clear, with a low around 49. North wind 3 to 7 mph.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 71.
Sunny

Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 52.
Partly Cloudy

Wednesday

Wednesday: Sunny, with a high near 76.
Sunny

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

Lo 62 °F Hi 77 °F Lo 60 °F Hi 72 °F Lo 49 °F Hi 71 °F Lo 52 °F Hi 76 °F Lo 59 °F

Hazardous Weather Outlook
 

Overnight
 
A chance of showers and thunderstorms between 2am and 5am, then showers and possibly a thunderstorm after 5am. Low around 62. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
 
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers between 2pm and 5pm. Some of the storms could produce heavy rainfall. High near 77. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
 
A 30 percent chance of showers, mainly after 2am. Increasing clouds, with a low around 60. Light southwest wind.
Monday
 
A 30 percent chance of showers before 8am. Mostly cloudy through mid morning, then clearing, with a high near 72. Northwest wind 9 to 13 mph.
Monday Night
 
Mostly clear, with a low around 49. North wind 3 to 7 mph.
Tuesday
 
Sunny, with a high near 71.
Tuesday Night
 
Partly cloudy, with a low around 52.
Wednesday
 
Sunny, with a high near 76.
Wednesday Night
 
Partly cloudy, with a low around 59.
Thursday
 
Mostly sunny, with a high near 80.
Thursday Night
 
Partly cloudy, with a low around 61.
Friday
 
A 30 percent chance of showers. Partly sunny, with a high near 77.
Friday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Saturday
 
Partly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Bethel CT.