Hanahan, SC Weather & Growing Conditions
Tonight
65°F
Partly Cloudy
Partly cloudy, with a low around 65. Northeast wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Partly Cloudy | 3 to 7 mph NE | 1% |
| Wednesday | 82°F | Partly Sunny | 3 to 10 mph E | 4% |
| Wednesday Night | 67°F | Mostly Cloudy | 0 to 3 mph SE | 7% |
| Thursday | 83°F | Mostly Sunny | 0 to 6 mph S | 7% |
| Thursday Night | 67°F | Partly Cloudy | 3 mph S | 3% |
| Friday | 81°F | Showers And Thunderstorms Likely | 2 to 7 mph SW | 61% |
| Friday Night | 60°F | Showers And Thunderstorms Likely | 2 mph W | 61% |
| Saturday | 78°F | Mostly Sunny | 5 mph N | 7% |
| Saturday Night | 53°F | Partly Cloudy | 3 mph N | 5% |
| Sunday | 73°F | Mostly Sunny | 5 mph N | 6% |
| Sunday Night | 50°F | Partly Cloudy | 3 mph N | 11% |
| Monday | 70°F | Slight Chance Rain Showers | 7 mph NW | 15% |
| Monday Night | 46°F | Slight Chance Rain Showers | 5 mph W | 15% |
| Tuesday | 71°F | Sunny | 3 to 7 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hanahan, SC
Last spring frost
Mar 7
First fall frost
Nov 27
Growing season
266 days
Hardiness zone
9a
Explore more for Hanahan, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Charleston Intl Ap, Sc (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.