Castle Hayne, NC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Castle Hayne, a community in New Hanover County, North Carolina.
Today
84°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 8am, then patchy fog and showers and thunderstorms likely between 8am and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southeast wind 2 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Castle Hayne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 73% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 54% |
| Wednesday | 88°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 8 mph S | 55% |
| Wednesday Night | 74°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph S | 18% |
| Thursday | 91°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 9 mph S | 39% |
| Thursday Night | 75°F | Mostly Clear | 1 to 7 mph S | 3% |
| Friday | 91°F | Slight Chance Showers And Thunderstorms | 0 to 8 mph S | 19% |
| Friday Night | 74°F | Partly Cloudy | 0 to 7 mph S | 12% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 0 to 8 mph S | 33% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 7 mph S | 33% |
| Sunday | 91°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 43% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph SW | 43% |
| Monday | 92°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 32% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph SW | 32% |
Forecast source: National Weather Service (api.weather.gov) for Castle Hayne (34.356, -77.910). Updated through the day.
Growing snapshot for Castle Hayne
Last spring frost
Mar 29
First fall frost
Nov 8
Growing season
226 days
Hardiness zone
8b
More local growing data for Castle Hayne: nearby ZIP 28429 weather · frost dates · planting calendar · North Carolina frost dates
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Climate data from the nearest NOAA station, Wilmington 7 N, Nc (1.8 mi from Castle Hayne). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.