Half Moon, NC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Half Moon, a community in Onslow County, North Carolina.
Today
81°F
Showers And Thunderstorms
Rain showers before 10am, then showers and thunderstorms between 10am and 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 81. Southeast wind 0 to 7 mph, with gusts as high as 16 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Half Moon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Showers And Thunderstorms | 0 to 7 mph SE | 78% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 1 to 6 mph S | 39% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 1 to 10 mph S | 46% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 9 mph S | 27% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 0 to 10 mph S | 48% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 9 mph S | 35% |
| Friday | 92°F | Slight Chance Showers And Thunderstorms | 0 to 9 mph S | 21% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 8 mph SW | 21% |
| Saturday | 89°F | Chance Showers And Thunderstorms | 0 to 9 mph S | 36% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 8 mph SW | 36% |
| Sunday | 91°F | Chance Showers And Thunderstorms | 0 to 7 mph SW | 40% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SW | 40% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SW | 31% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SW | 31% |
Forecast source: National Weather Service (api.weather.gov) for Half Moon (34.830, -77.459). Updated through the day.
Growing snapshot for Half Moon
Last spring frost
Mar 31
First fall frost
Nov 8
Growing season
224 days
Hardiness zone
8a
More local growing data for Half Moon: nearby ZIP 28546 weather · frost dates · planting calendar · North Carolina frost dates
Nearby towns & communities
Holly Ridge
Jacksonville
Maysville
North Topsail Beach
Piney Green
Pumpkin Center
Richlands
Sneads Ferry
Surf City
All North Carolina locations ›
Climate data from the nearest NOAA station, Jacksonville Eoc, Nc (2.2 mi from Half Moon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.