Harman US

Coleytown, CT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Coleytown, a community in Fairfield County, Connecticut.

This Afternoon
69°F
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. Southeast wind around 6 mph.

7-day forecast for Coleytown

WhenTempForecastWindPrecip
This Afternoon 69°F Mostly Sunny 6 mph SE 0%
Tonight 55°F Mostly Cloudy 6 mph SE 3%
Sunday 69°F Rain Showers then Rain 6 to 10 mph SE 93%
Sunday Night 55°F Rain then Rain Showers 5 to 13 mph N 88%
Monday 69°F Slight Chance Rain Showers then Partly Sunny 8 to 13 mph NE 22%
Monday Night 51°F Mostly Cloudy then Chance Rain Showers 6 to 10 mph NE 25%
Tuesday 65°F Chance Rain Showers 13 mph NE 25%
Tuesday Night 50°F Slight Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 19%
Wednesday 66°F Mostly Cloudy 17 mph NE 6%
Wednesday Night 50°F Slight Chance Rain Showers 17 mph NE 20%
Thursday 65°F Chance Rain Showers 17 mph NE 30%
Thursday Night 50°F Chance Rain Showers 18 mph NE 37%
Friday 65°F Chance Rain Showers 18 mph N 41%
Friday Night 51°F Chance Rain Showers 18 mph N 40%

Forecast source: National Weather Service (api.weather.gov) for Coleytown (41.177, -73.343). Updated through the day.

Growing snapshot for Coleytown

Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
7a

More local growing data for Coleytown: nearby ZIP 06880 weather · frost dates · planting calendar · Connecticut frost dates

Nearby towns & communities

All Connecticut locations ›

Climate data from the nearest NOAA station, Stamford 5 N, Ct (10.7 mi from Coleytown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.