New Castle, VA Weather & Growing Conditions
Tonight
64°F
Slight Chance Rain Showers
A slight chance of rain showers before 3am, then patchy fog. Mostly cloudy, with a low around 64. South wind around 2 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Slight Chance Rain Showers | 2 mph S | 21% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 45% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph W | 18% |
| Monday | 80°F | Showers And Thunderstorms | 0 to 3 mph SE | 92% |
| Monday Night | 60°F | Showers And Thunderstorms | 3 mph E | 92% |
| Tuesday | 69°F | Showers And Thunderstorms | 2 to 6 mph E | 76% |
| Tuesday Night | 56°F | Showers And Thunderstorms | 6 to 10 mph E | 76% |
| Wednesday | 60°F | Rain Showers Likely | 7 to 10 mph E | 65% |
| Wednesday Night | 53°F | Rain Showers Likely | 9 mph E | 65% |
| Thursday | 60°F | Rain Showers Likely | 5 to 8 mph E | 65% |
| Thursday Night | 51°F | Slight Chance Rain Showers | 5 mph NE | 21% |
| Friday | 68°F | Slight Chance Rain Showers | 7 mph N | 20% |
| Friday Night | 49°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph N | 20% |
| Saturday | 69°F | Mostly Sunny | 6 mph N | 8% |
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 Sep 20, 2026.