Harman US

Cranston, RI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cranston, a city in Providence County, Rhode Island.

Today
83°F
Sunny
Sunny, with a high near 83. West wind 2 to 6 mph.

7-day forecast for Cranston

WhenTempForecastWindPrecip
Today 83°F Sunny 2 to 6 mph W 0%
Tonight 62°F Partly Cloudy 2 to 6 mph SW 7%
Wednesday 82°F Mostly Sunny 2 to 7 mph W 8%
Wednesday Night 67°F Mostly Cloudy 7 mph SW 10%
Thursday 85°F Mostly Sunny then Slight Chance Rain Showers 5 to 10 mph SW 19%
Thursday Night 73°F Slight Chance Rain Showers then Partly Cloudy 6 to 9 mph SW 20%
Friday 87°F Mostly Sunny then Slight Chance Rain Showers 6 to 10 mph SW 19%
Friday Night 72°F Slight Chance Rain Showers then Partly Cloudy 5 to 9 mph W 24%
Saturday 86°F Mostly Sunny then Chance Rain Showers 5 to 8 mph W 35%
Saturday Night 71°F Chance Rain Showers 6 mph SW 46%
Sunday 86°F Mostly Sunny then Slight Chance Rain Showers 3 to 8 mph W 15%
Sunday Night 71°F Slight Chance Rain Showers then Partly Cloudy 8 mph SW 17%
Monday 87°F Sunny 6 to 10 mph SW 11%
Monday Night 70°F Partly Cloudy 9 mph W 14%

Forecast source: National Weather Service (api.weather.gov) for Cranston (41.770, -71.485). Updated through the day.

Growing snapshot for Cranston

Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
199 days
Hardiness zone
7a

More local growing data for Cranston: nearby ZIP 02920 weather · frost dates · planting calendar · Rhode Island frost dates

Nearby towns & communities

All Rhode Island locations ›

Climate data from the nearest NOAA station, Providence T F Green Ap, Ri (3.6 mi from Cranston). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.