Riverton, CT Weather & Growing Conditions
Overnight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Partly Cloudy | 3 mph SW | 3% |
| Wednesday | 72°F | Sunny | 2 to 9 mph SW | 3% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 6 mph SW | 2% |
| Thursday | 69°F | Light Rain Likely | 3 to 8 mph SW | 57% |
| Thursday Night | 59°F | Light Rain | 0 to 6 mph SW | 76% |
| Friday | 67°F | Rain | 0 to 3 mph W | 76% |
| Friday Night | 52°F | Rain | 3 mph N | 76% |
| Saturday | 63°F | Chance Light Rain | 6 mph NW | 54% |
| Saturday Night | 40°F | Chance Light Rain | 7 mph NW | 31% |
| Sunday | 57°F | Slight Chance Light Rain then Mostly Sunny | 6 to 9 mph W | 21% |
| Sunday Night | 35°F | Partly Cloudy | 6 mph W | 10% |
| Monday | 55°F | Slight Chance Light Rain | 7 to 12 mph NW | 22% |
| Monday Night | 34°F | Slight Chance Light Rain | 8 mph W | 21% |
| Tuesday | 57°F | Mostly Sunny | 8 to 12 mph W | 9% |
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 (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.