Ansonia, CT Weather & Growing Conditions
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 3 mph SW | 0% |
| Tonight | 62°F | Mostly Cloudy | 3 mph NW | 3% |
| Wednesday | 83°F | Partly Sunny | 5 mph W | 9% |
| Wednesday Night | 68°F | Slight Chance Rain Showers | 5 mph S | 22% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 48% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph SW | 41% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SW | 43% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SW | 40% |
| Saturday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph W | 38% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 5 mph W | 38% |
| Sunday | 88°F | Mostly Sunny | 2 to 7 mph W | 12% |
| Sunday Night | 69°F | Mostly Clear | 5 mph SW | 10% |
| Monday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph W | 15% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 5 to 8 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ansonia, CT
Last spring frost
Apr 25
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
6b
Explore more for Ansonia, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Ansonia 1 Ne, Ct (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.