New Castle, VA Weather & Growing Conditions
This Afternoon
75°F
Slight Chance Rain Showers
A slight chance of rain showers before 4pm. Mostly sunny, with a high near 75. Southeast wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Slight Chance Rain Showers | 6 mph SE | 18% |
| Tonight | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 3 to 7 mph SE | 17% |
| Sunday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph S | 53% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SW | 25% |
| Monday | 77°F | Showers And Thunderstorms | 5 mph NE | 88% |
| Monday Night | 61°F | Showers And Thunderstorms | 7 mph E | 88% |
| Tuesday | 66°F | Showers And Thunderstorms | 6 mph E | 81% |
| Tuesday Night | 56°F | Showers And Thunderstorms | 7 to 14 mph E | 81% |
| Wednesday | 61°F | Showers And Thunderstorms Likely | 8 to 14 mph NE | 57% |
| Wednesday Night | 54°F | Rain Showers Likely | 9 to 13 mph NE | 64% |
| Thursday | 62°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 6 to 12 mph NE | 64% |
| Thursday Night | 52°F | Slight Chance Showers And Thunderstorms | 8 mph N | 23% |
| Friday | 66°F | Slight Chance Rain Showers | 8 mph N | 20% |
| Friday Night | 51°F | Slight Chance Rain Showers then Partly Cloudy | 8 mph N | 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
7b
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 (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.