Old Hill, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Old Hill, a community in Fairfield County, Connecticut.
Tonight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. North wind 5 to 9 mph.
7-day forecast for Old Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Partly Cloudy | 5 to 9 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 9 mph E | 0% |
| Saturday Night | 57°F | Mostly Cloudy | 2 to 6 mph E | 10% |
| Sunday | 68°F | Showers And Thunderstorms | 6 to 13 mph SE | 88% |
| Sunday Night | 57°F | Showers And Thunderstorms | 3 to 12 mph S | 88% |
| Monday | 67°F | Chance Rain Showers | 10 to 14 mph NE | 44% |
| Monday Night | 52°F | Chance Rain Showers | 9 to 14 mph NE | 25% |
| Tuesday | 64°F | Chance Rain Showers | 15 mph NE | 25% |
| Tuesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 16 mph NE | 24% |
| Wednesday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 17 mph NE | 15% |
| Wednesday Night | 50°F | Chance Rain Showers | 16 mph NE | 31% |
| Thursday | 64°F | Chance Rain Showers | 17 mph NE | 31% |
| Thursday Night | 50°F | Chance Rain Showers | 14 to 17 mph NE | 36% |
| Friday | 67°F | Chance Rain Showers | 13 to 16 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov) for Old Hill (41.150, -73.379). Updated through the day.
Growing snapshot for Old Hill
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
7a
More local growing data for Old Hill: nearby ZIP 06851 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
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Candlewood Lake Club
Candlewood Orchards
Candlewood Shores
Cannondale
Chimney Point
Coleytown
Compo
Cos Cob
Danbury
Daniels Farm
Darien Downtown
Dodgingtown
East Village
Fairfield University
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Greens Farms
Greenwich
Hawleyville
Indian Field
Inglenook
Climate data from the nearest NOAA station, Stamford 5 N, Ct (7.7 mi from Old Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.