Ansonia, CT Weather & Growing Conditions
This Afternoon
69°F
Partly Sunny
Partly sunny. High near 69, with temperatures falling to around 63 in the afternoon. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Partly Sunny | 7 mph S | 0% |
| Tonight | 50°F | Patchy Fog | 5 mph SW | 3% |
| Wednesday | 71°F | Patchy Fog then Sunny | 2 to 12 mph SW | 3% |
| Wednesday Night | 55°F | Partly Cloudy | 6 mph SW | 2% |
| Thursday | 69°F | Chance Rain Showers | 3 to 10 mph S | 29% |
| Thursday Night | 60°F | Rain Showers | 3 to 7 mph SW | 82% |
| Friday | 67°F | Showers And Thunderstorms | 6 mph S | 86% |
| Friday Night | 54°F | Showers And Thunderstorms then Light Rain Likely | 2 to 6 mph W | 86% |
| Saturday | 64°F | Light Rain Likely | 6 to 9 mph NW | 55% |
| Saturday Night | 42°F | Slight Chance Light Rain | 8 mph NW | 21% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 9 mph NW | 21% |
| Sunday Night | 38°F | Partly Cloudy | 8 mph W | 14% |
| Monday | 58°F | Chance Light Rain | 8 to 15 mph NW | 26% |
| Monday Night | 38°F | Chance Light Rain | 12 mph W | 26% |
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 (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.