Trenton, SC Weather & Growing Conditions
Today
91°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 91. Northeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph NE | 20% |
| Tonight | 70°F | Chance Showers And Thunderstorms then Patchy Fog | 5 mph NE | 28% |
| Sunday | 89°F | Areas Of Fog then Slight Chance Showers And Thunderstorms | 3 mph NE | 17% |
| Sunday Night | 70°F | Partly Cloudy | 2 mph SE | 6% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 mph S | 22% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 3 mph SE | 50% |
| Tuesday | 86°F | Showers And Thunderstorms Likely | 2 to 6 mph NE | 64% |
| Tuesday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 to 9 mph NE | 64% |
| Wednesday | 80°F | Chance Rain Showers | 12 mph NE | 29% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 12 mph NE | 29% |
| Thursday | 79°F | Mostly Sunny | 12 mph NE | 12% |
| Thursday Night | 63°F | Partly Cloudy | 6 to 10 mph NE | 10% |
| Friday | 79°F | Mostly Sunny | 8 mph NE | 8% |
| Friday Night | 61°F | Partly Cloudy | 6 mph NE | 8% |
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 Sep 19, 2026.