Seabrook, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seabrook, a community in Beaufort County, South Carolina.
Today
91°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. Heat index values as high as 103. South wind 1 to 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Seabrook
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph S | 38% |
| Tonight | 75°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 8 mph S | 57% |
| Wednesday | 91°F | Chance Showers And Thunderstorms | 1 to 9 mph S | 26% |
| Wednesday Night | 76°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 to 9 mph S | 20% |
| Thursday | 91°F | Chance Showers And Thunderstorms | 0 to 8 mph S | 43% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 1 to 8 mph SE | 43% |
| Friday | 92°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 9 mph SE | 55% |
| Friday Night | 76°F | Chance Showers And Thunderstorms | 1 to 8 mph E | 27% |
| Saturday | 91°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 7 mph SE | 64% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 0 to 7 mph S | 47% |
| Sunday | 93°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph S | 53% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph S | 53% |
| Monday | 94°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 41% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SW | 41% |
Forecast source: National Weather Service (api.weather.gov) for Seabrook (32.535, -80.756). Updated through the day.
Growing snapshot for Seabrook
Last spring frost
Feb 28
First fall frost
Dec 3
Growing season
279 days
Hardiness zone
9a
More local growing data for Seabrook: nearby ZIP 29941 weather · frost dates · planting calendar · South Carolina frost dates
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Climate data from the nearest NOAA station, Beaufort Mcas, Sc (7 mi from Seabrook). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.