Castlewood, VA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Castlewood, a community in Russell County, Virginia.
Today
86°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 86, with temperatures falling to around 82 in the afternoon. East wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Castlewood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 41% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 49% |
| Wednesday | 86°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph S | 60% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 56% |
| Thursday | 85°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 59% |
| Thursday Night | 66°F | Showers And Thunderstorms Likely then Mostly Cloudy | 0 to 5 mph S | 59% |
| Friday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 52% |
| Friday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 52% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 66% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 66% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 42% |
| Monday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
Forecast source: National Weather Service (api.weather.gov) for Castlewood (36.880, -82.295). Updated through the day.
Growing snapshot for Castlewood
Last spring frost
Apr 14
First fall frost
Nov 1
Growing season
200 days
Hardiness zone
7a
More local growing data for Castlewood: nearby ZIP 24224 weather · frost dates · planting calendar · Virginia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Nora 4 Sse, Va (11 mi from Castlewood). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.