Cayce, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cayce, a city in Lexington County, South Carolina.
Tonight
73°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. Heat index values as high as 100. West wind around 2 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Cayce
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 73°F | Slight Chance Showers And Thunderstorms | 2 mph W | 24% |
| Saturday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NE | 33% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 25% |
| Sunday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph E | 25% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph E | 25% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph NE | 44% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 2 mph E | 54% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 0 to 6 mph NE | 60% |
| Tuesday Night | 70°F | Showers And Thunderstorms Likely | 6 mph NE | 60% |
| Wednesday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 6 to 10 mph NE | 32% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NE | 32% |
| Thursday | 83°F | Mostly Sunny | 7 to 10 mph NE | 9% |
| Thursday Night | 65°F | Partly Cloudy | 2 to 9 mph NE | 11% |
| Friday | 83°F | Mostly Sunny | 5 to 8 mph N | 11% |
Forecast source: National Weather Service (api.weather.gov) for Cayce (33.950, -81.040). Updated through the day.
Growing snapshot for Cayce
Last spring frost
Mar 16
First fall frost
Nov 16
Growing season
245 days
Hardiness zone
8b
More local growing data for Cayce: nearby ZIP 29033 weather · frost dates · planting calendar · South Carolina frost dates
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All South Carolina locations ›
Climate data from the nearest NOAA station, Columbia Univ Of Sc, Sc (3.1 mi from Cayce). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.