Harman US

Quonochontaug, RI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Quonochontaug, a community in Washington County, Rhode Island.

Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. Southwest wind 2 to 7 mph.

7-day forecast for Quonochontaug

WhenTempForecastWindPrecip
Today 76°F Mostly Sunny 2 to 7 mph SW 0%
Tonight 63°F Mostly Cloudy 2 to 6 mph SE 12%
Wednesday 75°F Mostly Sunny 2 to 7 mph W 13%
Wednesday Night 67°F Mostly Cloudy 6 mph SW 14%
Thursday 77°F Mostly Sunny 5 to 13 mph SW 14%
Thursday Night 70°F Partly Cloudy 8 to 12 mph SW 10%
Friday 79°F Mostly Sunny 8 to 13 mph SW 5%
Friday Night 70°F Partly Cloudy 5 to 12 mph SW 13%
Saturday 78°F Mostly Sunny then Slight Chance Rain Showers 5 to 10 mph SW 15%
Saturday Night 69°F Slight Chance Rain Showers then Mostly Cloudy 5 to 9 mph SW 19%
Sunday 78°F Mostly Sunny 5 to 10 mph SW 12%
Sunday Night 69°F Partly Cloudy 6 to 9 mph SW 11%
Monday 79°F Mostly Sunny 6 to 13 mph SW 5%
Monday Night 69°F Mostly Clear 13 mph SW 7%

Forecast source: National Weather Service (api.weather.gov) for Quonochontaug (41.345, -71.705). Updated through the day.

Growing snapshot for Quonochontaug

Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
201 days
Hardiness zone
7a

More local growing data for Quonochontaug: nearby ZIP 02813 weather · frost dates · planting calendar · Rhode Island frost dates

Nearby towns & communities

All Rhode Island locations ›

Climate data from the nearest NOAA station, Westerly State Ap, Ri (7.4 mi from Quonochontaug). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.