Harrisville, RI Weather & Growing Conditions
This Afternoon
66°F
Mostly Sunny
Mostly sunny, with a high near 66. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Sunny | 5 mph NE | 0% |
| Tonight | 47°F | Partly Cloudy | 3 mph SE | 0% |
| Sunday | 62°F | Mostly Cloudy then Chance Rain Showers | 1 to 6 mph SE | 81% |
| Sunday Night | 51°F | Rain Showers | 3 to 10 mph NE | 79% |
| Monday | 65°F | Partly Sunny | 6 to 10 mph N | 15% |
| Monday Night | 46°F | Mostly Cloudy | 2 to 7 mph NE | 3% |
| Tuesday | 61°F | Mostly Cloudy | 10 mph NE | 5% |
| Tuesday Night | 46°F | Mostly Cloudy | 5 to 8 mph NE | 3% |
| Wednesday | 63°F | Partly Sunny | 9 to 14 mph NE | 4% |
| Wednesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 12 mph NE | 22% |
| Thursday | 61°F | Chance Rain Showers | 15 mph NE | 33% |
| Thursday Night | 47°F | Chance Rain Showers | 15 mph NE | 36% |
| Friday | 62°F | Chance Rain Showers | 15 mph N | 35% |
| Friday Night | 47°F | Chance Rain Showers | 15 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrisville, RI
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
179 days
Hardiness zone
6b
Explore more for Harrisville, RI: full frost dates · planting calendar · Rhode Island frost dates
Climate data from the nearest NOAA station, Woonsocket, Ri (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.