Charlestown, RI Weather & Growing Conditions
Tonight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. Southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Partly Cloudy | 7 mph SW | 3% |
| Wednesday | 69°F | Sunny | 5 to 10 mph SW | 4% |
| Wednesday Night | 55°F | Patchy Fog then Partly Cloudy | 5 to 8 mph SW | 2% |
| Thursday | 69°F | Mostly Cloudy | 6 to 12 mph SW | 14% |
| Thursday Night | 61°F | Light Rain | 8 mph SW | 78% |
| Friday | 67°F | Rain | 6 to 9 mph SW | 92% |
| Friday Night | 56°F | Rain | 6 mph SW | 92% |
| Saturday | 64°F | Light Rain Likely | 6 to 9 mph NW | 72% |
| Saturday Night | 43°F | Chance Light Rain | 7 mph NW | 35% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 9 mph W | 20% |
| Sunday Night | 38°F | Partly Cloudy | 7 mph W | 7% |
| Monday | 58°F | Slight Chance Light Rain | 7 to 14 mph NW | 22% |
| Monday Night | 37°F | Slight Chance Light Rain then Partly Cloudy | 10 mph W | 22% |
| Tuesday | 58°F | Sunny | 10 to 15 mph W | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Charlestown, RI
Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
201 days
Hardiness zone
7a
Explore more for Charlestown, RI: full frost dates · planting calendar · Rhode Island frost dates
Climate data from the nearest NOAA station, Westerly State Ap, Ri (7.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.