Ansonia, CT Weather & Growing Conditions
This Afternoon
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 66 in the afternoon. South wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 9 mph S | 0% |
| Tonight | 56°F | Partly Cloudy | 2 to 6 mph S | 3% |
| Thursday | 71°F | Chance Light Rain | 5 to 12 mph S | 44% |
| Thursday Night | 60°F | Light Rain Likely | 1 to 8 mph S | 69% |
| Friday | 71°F | Light Rain Likely | 1 to 5 mph SW | 69% |
| Friday Night | 51°F | Light Rain Likely | 0 to 3 mph W | 61% |
| Saturday | 66°F | Mostly Sunny then Slight Chance Light Rain | 3 to 8 mph NW | 21% |
| Saturday Night | 43°F | Chance Light Rain | 7 to 13 mph NW | 31% |
| Sunday | 60°F | Chance Light Rain then Mostly Sunny | 9 to 14 mph NW | 31% |
| Sunday Night | 39°F | Partly Cloudy | 8 to 12 mph W | 1% |
| Monday | 58°F | Sunny | 10 to 15 mph W | 4% |
| Monday Night | 37°F | Mostly Clear | 8 mph W | 4% |
| Tuesday | 62°F | Sunny | 9 to 13 mph W | 1% |
| Tuesday Night | 38°F | Mostly Clear | 5 to 8 mph W | 1% |
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 Nov 4, 2026.