New Castle, VA Weather & Growing Conditions
Today
78°F
Mostly Cloudy then Chance Showers And Thunderstorms
A slight chance of rain showers between 1pm and 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Mostly Cloudy then Chance Showers And Thunderstorms | 6 mph E | 49% |
| Tonight | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph E | 65% |
| Wednesday | 81°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SE | 73% |
| Wednesday Night | 66°F | Showers And Thunderstorms Likely then Mostly Cloudy | 3 mph S | 55% |
| Thursday | 84°F | Partly Sunny then Showers And Thunderstorms | 1 to 5 mph SW | 81% |
| Thursday Night | 66°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 mph SW | 81% |
| Friday | 84°F | Slight Chance Showers And Thunderstorms | 3 mph SW | 68% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 68% |
| Saturday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 3 mph W | 54% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 2 mph W | 54% |
| Sunday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 3 mph W | 26% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph W | 26% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph W | 20% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph W | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Castle, VA
Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
198 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, Roanoke 8 N, Va (16.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.