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Old Hill, CT Weather & Growing Conditions

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

Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Northeast wind around 5 mph.

7-day forecast for Old Hill

WhenTempForecastWindPrecip
Today 83°F Mostly Sunny 5 mph NE 0%
Tonight 63°F Mostly Cloudy 3 mph NW 2%
Wednesday 83°F Partly Sunny then Slight Chance Rain Showers 2 to 6 mph SE 15%
Wednesday Night 70°F Chance Rain Showers 2 to 6 mph S 25%
Thursday 88°F Chance Showers And Thunderstorms 2 to 9 mph SW 40%
Thursday Night 72°F Chance Showers And Thunderstorms then Partly Cloudy 3 to 8 mph SW 37%
Friday 90°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 8 mph SW 38%
Friday Night 70°F Chance Showers And Thunderstorms 2 to 6 mph SW 37%
Saturday 88°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 8 mph W 33%
Saturday Night 70°F Chance Showers And Thunderstorms 2 to 6 mph W 33%
Sunday 88°F Mostly Sunny then Slight Chance Showers And Thunderstorms 2 to 7 mph W 15%
Sunday Night 71°F Slight Chance Showers And Thunderstorms then Mostly Clear 2 to 6 mph SW 15%
Monday 90°F Sunny 2 to 10 mph W 14%
Monday Night 69°F Slight Chance Rain Showers 3 to 8 mph W 17%

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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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 Aug 4, 2026.