Charlestown, RI Weather & Growing Conditions
Today
80°F
Mostly Sunny
Mostly sunny, with a high near 80. West wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Sunny | 2 to 7 mph W | 0% |
| Tonight | 60°F | Partly Cloudy | 1 to 5 mph W | 11% |
| Wednesday | 78°F | Mostly Sunny | 1 to 7 mph NW | 12% |
| Wednesday Night | 66°F | Mostly Cloudy | 5 mph SW | 13% |
| Thursday | 81°F | Mostly Sunny | 3 to 10 mph SW | 14% |
| Thursday Night | 70°F | Partly Cloudy | 6 to 9 mph SW | 10% |
| Friday | 82°F | Mostly Sunny | 6 to 12 mph SW | 5% |
| Friday Night | 70°F | Partly Cloudy | 3 to 9 mph SW | 11% |
| Saturday | 81°F | Mostly Sunny then Slight Chance Rain Showers | 3 to 9 mph SW | 19% |
| Saturday Night | 69°F | Chance Rain Showers then Mostly Cloudy | 2 to 7 mph SW | 25% |
| Sunday | 81°F | Mostly Sunny | 2 to 9 mph SW | 12% |
| Sunday Night | 69°F | Partly Cloudy | 5 to 8 mph SW | 10% |
| Monday | 81°F | Mostly Sunny | 5 to 10 mph SW | 6% |
| Monday Night | 68°F | Mostly Clear | 9 mph SW | 8% |
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 Aug 4, 2026.