Riverton, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Riverton, a community in Hartford County, Connecticut.
Today
66°F
Mostly Sunny
Mostly sunny, with a high near 66. East wind around 5 mph.
7-day forecast for Riverton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 46°F | Mostly Cloudy | 0 to 3 mph SE | 5% |
| Sunday | 59°F | Rain | 0 to 6 mph SE | 95% |
| Sunday Night | 47°F | Rain then Rain Showers Likely | 1 to 6 mph NE | 87% |
| Monday | 66°F | Partly Sunny | 6 to 9 mph N | 3% |
| Monday Night | 44°F | Mostly Cloudy | 5 mph NE | 3% |
| Tuesday | 60°F | Mostly Cloudy | 7 mph NE | 5% |
| Tuesday Night | 43°F | Mostly Cloudy | 5 to 9 mph NE | 5% |
| Wednesday | 62°F | Partly Sunny | 9 to 13 mph NE | 5% |
| Wednesday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 13 mph NE | 23% |
| Thursday | 60°F | Chance Rain Showers | 14 mph NE | 31% |
| Thursday Night | 44°F | Chance Rain Showers | 10 to 14 mph NE | 34% |
| Friday | 62°F | Chance Rain Showers | 10 to 14 mph N | 34% |
| Friday Night | 45°F | Chance Rain Showers | 10 to 14 mph NE | 33% |
Forecast source: National Weather Service (api.weather.gov) for Riverton (41.963, -73.017). Updated through the day.
Growing snapshot for Riverton
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
168 days
Hardiness zone
6a
More local growing data for Riverton: nearby ZIP 06065 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Barkhamsted, Ct (4.3 mi from Riverton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.