Trenton, SC Weather & Growing Conditions
Today
79°F
Periods Of Rain Showers then Slight Chance Light Rain
Periods of rain showers before 2pm, then a slight chance of rain between 4pm and 5pm. Mostly cloudy, with a high near 79. Southeast wind around 12 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Periods Of Rain Showers then Slight Chance Light Rain | 12 mph SE | 18% |
| Tonight | 65°F | Slight Chance T-storms then Light Rain Likely | 5 to 10 mph S | 60% |
| Thursday | 80°F | Patchy Fog then Slight Chance Light Rain | 3 to 7 mph SW | 18% |
| Thursday Night | 63°F | Mostly Cloudy then Chance Light Rain | 3 mph S | 44% |
| Friday | 77°F | Chance Light Rain | 3 to 8 mph W | 52% |
| Friday Night | 52°F | Mostly Clear | 6 mph NW | 6% |
| Saturday | 73°F | Sunny | 7 mph N | 1% |
| Saturday Night | 45°F | Partly Cloudy | 6 mph NE | 1% |
| Sunday | 69°F | Mostly Sunny | 5 mph N | 2% |
| Sunday Night | 43°F | Mostly Clear | 3 mph N | 2% |
| Monday | 69°F | Sunny | 5 mph N | 1% |
| Monday Night | 42°F | Mostly Clear | 3 mph N | 3% |
| Tuesday | 70°F | Sunny | 2 to 7 mph W | 4% |
| Tuesday Night | 44°F | Mostly Clear | 5 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Trenton, SC
Last spring frost
Mar 26
First fall frost
Nov 8
Growing season
228 days
Hardiness zone
8a
Explore more for Trenton, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Johnston 4 Sw, Sc (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.