Knollcrest, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Knollcrest, a community in Fairfield County, Connecticut.
Tonight
50°F
Partly Cloudy
Partly cloudy. Low around 50, with temperatures rising to around 52 overnight. North wind around 7 mph.
7-day forecast for Knollcrest
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Partly Cloudy | 7 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 6 mph E | 0% |
| Saturday Night | 53°F | Mostly Cloudy | 2 to 6 mph SE | 14% |
| Sunday | 64°F | Showers And Thunderstorms | 5 to 9 mph SE | 93% |
| Sunday Night | 55°F | Showers And Thunderstorms | 2 to 9 mph NW | 93% |
| Monday | 65°F | Chance Rain Showers | 9 mph N | 32% |
| Monday Night | 50°F | Slight Chance Rain Showers | 5 to 9 mph NE | 23% |
| Tuesday | 60°F | Chance Rain Showers | 10 mph NE | 25% |
| Tuesday Night | 47°F | Mostly Cloudy | 7 to 10 mph NE | 11% |
| Wednesday | 61°F | Partly Sunny then Slight Chance Rain Showers | 9 to 13 mph NE | 15% |
| Wednesday Night | 48°F | Chance Rain Showers | 9 to 13 mph NE | 26% |
| Thursday | 60°F | Chance Rain Showers | 9 to 13 mph NE | 28% |
| Thursday Night | 49°F | Chance Rain Showers | 7 to 12 mph NE | 35% |
| Friday | 65°F | Chance Rain Showers | 12 mph N | 33% |
Forecast source: National Weather Service (api.weather.gov) for Knollcrest (41.501, -73.467). Updated through the day.
Growing snapshot for Knollcrest
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6b
More local growing data for Knollcrest: nearby ZIP 06812 weather · frost dates · planting calendar · Connecticut frost dates
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Candlewood Orchards
Candlewood Shores
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Chimney Point
Coleytown
Compo
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Darien Downtown
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East Village
Fairfield University
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Greenwich
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Indian Field
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Climate data from the nearest NOAA station, Danbury, Ct (6.5 mi from Knollcrest). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.