Lockhart, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lockhart, a town in Union County, South Carolina.
Today
83°F
Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 10am, then a chance of showers and thunderstorms between 10am and 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 83. East northeast wind around 3 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lockhart
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Chance Showers And Thunderstorms | 3 mph ENE | 84% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 1 mph NE | 55% |
| Wednesday | 85°F | Chance Showers And Thunderstorms | 0 to 3 mph SSE | 74% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely | 1 mph W | 68% |
| Thursday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph SSW | 62% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph W | 57% |
| Friday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph SSW | 32% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 mph W | 34% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph SSW | 27% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 1 mph W | 27% |
| Sunday | 89°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 mph WSW | 30% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 1 mph WNW | 30% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph W | 24% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 mph WNW | 24% |
Forecast source: National Weather Service (api.weather.gov) for Lockhart (34.796, -81.467). Updated through the day.
Growing snapshot for Lockhart
Last spring frost
Apr 4
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
8a
More local growing data for Lockhart: nearby ZIP 29364 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Santuck, Sc (11.1 mi from Lockhart). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.