Fort Mill, SC Weather & Growing Conditions
Today
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms between 1pm and 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 82. Northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Chance Showers And Thunderstorms | 6 mph NE | 85% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Patchy Fog | 0 to 5 mph NE | 50% |
| Wednesday | 86°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 7 mph SE | 65% |
| Wednesday Night | 70°F | Showers And Thunderstorms | 5 mph S | 77% |
| Thursday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph S | 63% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Partly Cloudy | 1 to 6 mph S | 57% |
| Friday | 88°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 6 mph S | 33% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 32% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SW | 25% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 25% |
| Sunday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SW | 29% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 29% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 21% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SW | 21% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fort Mill, SC
Last spring frost
Mar 31
First fall frost
Nov 4
Growing season
218 days
Hardiness zone
8a
Explore more for Fort Mill, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Rock Hill York Co Ap, Sc (7.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.