Johnsonville, SC Weather & Growing Conditions
Today
87°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Southeast wind 1 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Chance Showers And Thunderstorms | 1 to 5 mph SE | 45% |
| Tonight | 71°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 38% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 1 to 6 mph S | 43% |
| Wednesday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 20% |
| Thursday | 90°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 47% |
| Thursday Night | 72°F | Partly Cloudy | 0 to 3 mph S | 5% |
| Friday | 91°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 31% |
| Friday Night | 71°F | Mostly Clear | 0 to 3 mph SE | 7% |
| Saturday | 90°F | Chance Showers And Thunderstorms | 0 to 5 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 | 52% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 mph S | 52% |
| Monday | 92°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 39% |
| Monday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Johnsonville, SC
Last spring frost
Mar 23
First fall frost
Nov 15
Growing season
240 days
Hardiness zone
8b
Explore more for Johnsonville, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Hemingway 8 Ese, Sc (12 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.