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Riverside, CT Weather & Growing Conditions

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

Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind around 5 mph.

7-day forecast for Riverside

WhenTempForecastWindPrecip
Today 84°F Mostly Sunny 5 mph E 0%
Tonight 64°F Mostly Cloudy 3 mph SW 2%
Wednesday 84°F Partly Sunny then Slight Chance Showers And Thunderstorms 2 to 6 mph E 23%
Wednesday Night 71°F Chance Rain Showers 2 to 6 mph S 27%
Thursday 89°F Chance Showers And Thunderstorms 2 to 8 mph SW 41%
Thursday Night 73°F Chance Showers And Thunderstorms then Partly Cloudy 3 to 7 mph SW 40%
Friday 91°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 7 mph SW 40%
Friday Night 72°F Chance Showers And Thunderstorms 6 mph SW 39%
Saturday 88°F Partly Sunny then Chance Showers And Thunderstorms 3 to 8 mph SW 31%
Saturday Night 71°F Chance Showers And Thunderstorms 6 mph W 31%
Sunday 89°F Mostly Sunny then Slight Chance Showers And Thunderstorms 3 to 7 mph W 15%
Sunday Night 72°F Slight Chance Showers And Thunderstorms then Mostly Clear 6 mph SW 15%
Monday 91°F Sunny 3 to 9 mph W 13%
Monday Night 70°F Slight Chance Rain Showers 5 to 8 mph W 18%

Forecast source: National Weather Service (api.weather.gov) for Riverside (41.030, -73.584). Updated through the day.

Growing snapshot for Riverside

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

More local growing data for Riverside: nearby ZIP 06878 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 (6.8 mi from Riverside). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.