Johnsonville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnsonville, a city in Florence County, South Carolina.
This Afternoon
89°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 3pm, then showers and thunderstorms likely between 3pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Johnsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Chance Showers And Thunderstorms | 5 mph NE | 61% |
| Tonight | 69°F | Chance Showers And Thunderstorms | 3 mph NE | 56% |
| Sunday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 3 mph NE | 32% |
| Sunday Night | 69°F | Partly Cloudy | 2 mph E | 14% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 23% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph E | 32% |
| Tuesday | 86°F | Slight Chance Showers And Thunderstorms | 1 to 6 mph NE | 65% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely | 2 to 8 mph NE | 65% |
| Wednesday | 82°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 12 mph NE | 40% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 6 to 12 mph N | 40% |
| Thursday | 80°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 9 to 13 mph N | 16% |
| Thursday Night | 62°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 12 mph NE | 16% |
| Friday | 80°F | Slight Chance Rain Showers | 9 mph N | 21% |
| Friday Night | 60°F | Slight Chance Rain Showers | 2 to 6 mph NE | 21% |
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 Sep 19, 2026.