New Castle, VA Weather & Growing Conditions
Today
78°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. East wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 6 mph E | 43% |
| Tonight | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 6 mph E | 62% |
| Wednesday | 80°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 73% |
| Wednesday Night | 65°F | Showers And Thunderstorms Likely then Mostly Cloudy | 0 to 5 mph S | 58% |
| Thursday | 84°F | Partly Sunny then Showers And Thunderstorms | 1 to 5 mph SW | 82% |
| Thursday Night | 65°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 mph SW | 82% |
| Friday | 84°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 69% |
| Friday Night | 64°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 69% |
| Saturday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph W | 54% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 3 mph W | 54% |
| Sunday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 3 mph W | 26% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph W | 26% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph W | 19% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph W | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Castle, VA
Last spring frost
May 2
First fall frost
Oct 13
Growing season
165 days
Hardiness zone
7a
Explore more for New Castle, VA: full frost dates · planting calendar · Virginia frost dates
Climate data from the nearest NOAA station, White Sulphur Springs, Wv (15.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.