Johnsonville, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnsonville, a city in Florence County, South Carolina.
Today
87°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8am, then patchy fog and a chance of showers and thunderstorms between 8am and 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Johnsonville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 47% |
| Tonight | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 38% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 1 to 7 mph S | 42% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms | 0 to 6 mph S | 19% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 46% |
| Thursday Night | 72°F | Partly Cloudy | 0 to 5 mph S | 5% |
| Friday | 91°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 31% |
| Friday Night | 71°F | Mostly Clear | 0 to 5 mph SE | 8% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 0 to 6 mph SE | 42% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 42% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 53% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 mph S | 53% |
| Monday | 91°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 40% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 40% |
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 Aug 4, 2026.