Watch Hill, RI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Watch Hill, a community in New London County, Rhode Island.
Overnight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. Northeast wind around 8 mph, with gusts as high as 22 mph.
7-day forecast for Watch Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Cloudy | 8 mph NE | 0% |
| Saturday | 66°F | Mostly Sunny | 8 mph E | 0% |
| Saturday Night | 52°F | Partly Cloudy | 5 mph E | 0% |
| Sunday | 67°F | Mostly Cloudy then Rain Showers Likely | 5 to 10 mph SE | 68% |
| Sunday Night | 59°F | Patchy Fog | 6 to 9 mph SE | 91% |
| Monday | 66°F | Chance Rain Showers | 10 to 14 mph NE | 49% |
| Monday Night | 57°F | Slight Chance Rain Showers | 9 to 18 mph NE | 20% |
| Tuesday | 61°F | Slight Chance Rain Showers | 22 mph NE | 19% |
| Tuesday Night | 55°F | Mostly Cloudy | 20 to 23 mph NE | 12% |
| Wednesday | 62°F | Partly Sunny | 23 to 26 mph NE | 14% |
| Wednesday Night | 56°F | Chance Rain Showers | 22 to 25 mph NE | 25% |
| Thursday | 61°F | Chance Rain Showers | 26 mph NE | 32% |
| Thursday Night | 56°F | Chance Rain Showers | 18 to 25 mph NE | 39% |
| Friday | 65°F | Chance Rain Showers | 18 to 22 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov) for Watch Hill (41.315, -71.847). Updated through the day.
Growing snapshot for Watch Hill
Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
201 days
Hardiness zone
7a
More local growing data for Watch Hill: nearby ZIP 06379 weather · frost dates · planting calendar · Rhode Island frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Westerly State Ap, Ri (3 mi from Watch Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.