Trenton, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trenton, a town in Edgefield County, South Carolina.
Overnight
60°F
Mostly Cloudy
Mostly cloudy, with a low around 60. East wind around 8 mph.
7-day forecast for Trenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Cloudy | 8 mph E | 2% |
| Wednesday | 81°F | Patchy Fog then Mostly Cloudy | 7 to 12 mph SE | 10% |
| Wednesday Night | 64°F | Chance Light Rain | 5 to 10 mph SE | 50% |
| Thursday | 80°F | Patchy Fog then Slight Chance Light Rain | 3 to 7 mph SW | 18% |
| Thursday Night | 62°F | Mostly Cloudy then Chance Light Rain | 3 mph S | 44% |
| Friday | 77°F | Chance Light Rain | 3 to 8 mph SW | 52% |
| Friday Night | 52°F | Mostly Clear | 5 mph NW | 6% |
| Saturday | 72°F | Sunny | 7 mph N | 1% |
| Saturday Night | 44°F | Partly Cloudy | 5 mph NE | 1% |
| Sunday | 69°F | Mostly Sunny | 5 mph N | 2% |
| Sunday Night | 42°F | Mostly Clear | 3 mph N | 2% |
| Monday | 69°F | Sunny | 5 mph N | 1% |
| Monday Night | 41°F | Mostly Clear | 3 mph W | 2% |
| Tuesday | 70°F | Sunny | 2 to 7 mph W | 4% |
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 Nov 4, 2026.