Swansea, SC Weather & Growing Conditions
Today
89°F
Patchy Fog then Chance Showers And Thunderstorms
Patchy fog before 9am, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Southeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph SE | 52% |
| Tonight | 70°F | Showers And Thunderstorms Likely | 0 to 3 mph SE | 57% |
| Wednesday | 90°F | Patchy Fog then Chance Showers And Thunderstorms | 1 to 7 mph S | 50% |
| Wednesday Night | 72°F | Showers And Thunderstorms Likely | 2 to 6 mph S | 57% |
| Thursday | 91°F | Mostly Sunny then Showers And Thunderstorms Likely | 2 to 6 mph S | 68% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 68% |
| Friday | 92°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 36% |
| Friday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 36% |
| Saturday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SE | 31% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph S | 31% |
| Sunday | 92°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 mph SW | 38% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms | 3 mph SW | 38% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 34% |
| Monday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Swansea, SC
Last spring frost
Mar 26
First fall frost
Nov 6
Growing season
227 days
Hardiness zone
8b
Explore more for Swansea, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, N 5Ne, Sc (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.