Trenton, SC Weather & Growing Conditions
Tonight
65°F
Slight Chance T-storms then Light Rain Likely
A slight chance of thunderstorms and a slight chance of rain between 8pm and 9pm, then rain likely and a slight chance of thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Slight Chance T-storms then Light Rain Likely | 6 to 10 mph SE | 60% |
| Thursday | 79°F | Slight Chance Light Rain then Chance Showers And Thunderstorms | 7 mph S | 30% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms | 3 mph S | 51% |
| Friday | 76°F | Showers And Thunderstorms Likely then Light Rain Likely | 2 to 7 mph SW | 60% |
| Friday Night | 53°F | Mostly Clear | 2 to 6 mph NW | 5% |
| Saturday | 72°F | Sunny | 5 to 8 mph N | 0% |
| Saturday Night | 44°F | Mostly Clear | 6 mph NE | 0% |
| Sunday | 68°F | Sunny | 5 mph N | 0% |
| Sunday Night | 42°F | Mostly Clear | 3 mph NW | 1% |
| Monday | 71°F | Sunny | 3 mph NE | 2% |
| Monday Night | 42°F | Mostly Clear then Slight Chance Light Rain | 1 mph NE | 15% |
| Tuesday | 70°F | Slight Chance Light Rain then Mostly Sunny | 1 to 7 mph SE | 15% |
| Tuesday Night | 45°F | Slight Chance Light Rain | 5 mph NW | 15% |
| Veterans Day | 70°F | Slight Chance Light Rain then Mostly Sunny | 5 mph N | 15% |
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 5, 2026.