Trenton, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a town in Edgefield County, South Carolina.
Today
88°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SE | 61% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Patchy Fog | 0 to 3 mph E | 47% |
| Wednesday | 89°F | Patchy Fog then Chance Showers And Thunderstorms | 1 to 7 mph SE | 54% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 5 mph S | 46% |
| Thursday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph S | 51% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 51% |
| Friday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph S | 31% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 3 mph S | 31% |
| Saturday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph SE | 25% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 3 mph S | 25% |
| Sunday | 92°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 mph SW | 39% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 2 mph SW | 39% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 30% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 3 mph SW | 30% |
Forecast source: National Weather Service (api.weather.gov) for Trenton (33.741, -81.841). Updated through the day.
Growing snapshot for Trenton
Last spring frost
Mar 26
First fall frost
Nov 8
Growing season
228 days
Hardiness zone
8a
More local growing data for Trenton: nearby ZIP 29847 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Johnston 4 Sw, Sc (4.9 mi from Trenton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.