Johnsonville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnsonville, a city in Florence County, South Carolina.
Tonight
57°F
Mostly Clear
Mostly clear, with a low around 57. East wind around 2 mph.
7-day forecast for Johnsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Clear | 2 mph E | 3% |
| Wednesday | 82°F | Patchy Fog then Mostly Sunny | 1 to 8 mph E | 2% |
| Wednesday Night | 62°F | Mostly Cloudy | 0 to 3 mph E | 2% |
| Thursday | 84°F | Mostly Sunny | 0 to 5 mph S | 12% |
| Thursday Night | 64°F | Partly Cloudy | 3 mph S | 10% |
| Friday | 81°F | Showers And Thunderstorms Likely | 1 to 6 mph SW | 63% |
| Friday Night | 56°F | Showers And Thunderstorms Likely | 1 mph NW | 63% |
| Saturday | 76°F | Mostly Sunny | 1 to 5 mph N | 11% |
| Saturday Night | 46°F | Partly Cloudy | 2 mph N | 8% |
| Sunday | 72°F | Mostly Sunny | 3 mph N | 5% |
| Sunday Night | 44°F | Partly Cloudy | 2 mph NW | 12% |
| Monday | 69°F | Sunny | 2 to 7 mph NW | 12% |
| Monday Night | 38°F | Mostly Clear | 2 mph NW | 5% |
| Tuesday | 71°F | Sunny | 2 to 6 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Johnsonville (33.814, -79.444). Updated through the day.
Growing snapshot for Johnsonville
Last spring frost
Mar 23
First fall frost
Nov 15
Growing season
240 days
Hardiness zone
8b
More local growing data for Johnsonville: nearby ZIP 29555 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Hemingway 8 Ese, Sc (12 mi from Johnsonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.