Harman US

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

WhenTempForecastWindPrecip
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.