Brooklyn, CT Weather & Growing Conditions
Overnight
48°F
Mostly Cloudy
Mostly cloudy, with a low around 48. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Cloudy | 5 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 49°F | Mostly Cloudy | 3 mph E | 0% |
| Sunday | 64°F | Cloudy then Rain Showers | 1 to 7 mph E | 81% |
| Sunday Night | 52°F | Rain Showers | 3 to 10 mph E | 79% |
| Monday | 66°F | Slight Chance Rain Showers then Partly Sunny | 7 to 12 mph N | 14% |
| Monday Night | 46°F | Mostly Cloudy | 3 to 8 mph NE | 2% |
| Tuesday | 62°F | Mostly Cloudy | 12 mph NE | 6% |
| Tuesday Night | 46°F | Mostly Cloudy | 6 to 10 mph NE | 4% |
| Wednesday | 64°F | Partly Sunny | 12 to 16 mph NE | 4% |
| Wednesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 14 mph NE | 24% |
| Thursday | 63°F | Chance Rain Showers | 15 to 18 mph NE | 33% |
| Thursday Night | 47°F | Chance Rain Showers | 16 mph NE | 36% |
| Friday | 63°F | Chance Rain Showers | 14 to 17 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brooklyn, CT
Last spring frost
Apr 30
First fall frost
Oct 15
Growing season
167 days
Hardiness zone
6b
Explore more for Brooklyn, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Hampton, Ct (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.