Harman US

Riverton, CT Weather & Growing Conditions

Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. West wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 51°F Mostly Clear 3 mph W 2%
Wednesday 72°F Sunny 3 to 8 mph SW 2%
Wednesday Night 55°F Mostly Cloudy 6 mph S 1%
Thursday 68°F Light Rain Likely 8 mph S 64%
Thursday Night 58°F Light Rain Likely 2 to 6 mph SW 70%
Friday 68°F Light Rain Likely 3 mph S 74%
Friday Night 51°F Light Rain Likely 2 mph NE 74%
Saturday 62°F Chance Light Rain 5 mph NW 39%
Saturday Night 41°F Chance Light Rain 5 to 8 mph NW 34%
Sunday 55°F Slight Chance Light Rain then Mostly Sunny 5 to 9 mph NW 22%
Sunday Night 35°F Partly Cloudy 6 mph W 6%
Monday 52°F Mostly Sunny 7 to 10 mph W 13%
Monday Night 33°F Partly Cloudy 7 mph W 13%
Tuesday 56°F Mostly Sunny 6 to 9 mph W 6%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Riverton, CT

Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
168 days
Hardiness zone
6a

Explore more for Riverton, CT: full frost dates · planting calendar · Connecticut frost dates

Climate data from the nearest NOAA station, Barkhamsted, Ct (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.