National Weather Service Forecast for: Ansonia CT
Issued by: National Weather Service New York, NY
Updated: 6:59 am EDT May 31, 2025
 
Today

Today: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 71. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely

 Tonight

Tonight: Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. West wind 7 to 10 mph. Chance of precipitation is 60%.
Showers
Likely then
Slight Chance
Showers
 Sunday

Sunday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 69. West wind 10 to 13 mph.
Mostly Sunny
then Slight
Chance
Showers
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 49. West wind around 6 mph becoming calm in the evening.
Partly Cloudy

 Monday

Monday: Mostly sunny, with a high near 73. West wind 3 to 7 mph.
Mostly Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 52.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 79.
Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 58.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 85.
Mostly Sunny
Hi 71 °F Lo 49 °F Hi 69 °F Lo 49 °F Hi 73 °F Lo 52 °F Hi 79 °F Lo 58 °F Hi 85 °F

 

Today
 
 A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 71. West wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. West wind 7 to 10 mph. Chance of precipitation is 60%.
Sunday
 
 A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 69. West wind 10 to 13 mph.
Sunday Night
 
 Partly cloudy, with a low around 49. West wind around 6 mph becoming calm in the evening.
Monday
 
 Mostly sunny, with a high near 73. West wind 3 to 7 mph.
Monday Night
 
 Mostly clear, with a low around 52.
Tuesday
 
 Sunny, with a high near 79.
Tuesday Night
 
 Partly cloudy, with a low around 58.
Wednesday
 
 Mostly sunny, with a high near 85.
Wednesday Night
 
 Partly cloudy, with a low around 63.
Thursday
 
 Partly sunny, with a high near 85.
Thursday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Friday
 
 A 40 percent chance of showers. Mostly cloudy, with a high near 81.

 

Forecast from NOAA-NWS for Ansonia CT.