Weather forecast for: Fort Mill SC
Last Update: 2:23 pm EDT Sep 21, 2026
This Afternoon: Mostly sunny, with a high near 92. Calm wind.
Tonight: A 20 percent chance of showers and thunderstorms, mainly between 11pm and 1am. Partly cloudy, with a low around 68. Calm wind.
Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 89. Calm wind becoming east northeast around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Patchy fog after 10pm. Low around 65. Northeast wind around 6 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday: Showers likely, mainly before noon. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 70. North northeast wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Thursday: Mostly cloudy, with a high near 68.
Thursday Night: Partly cloudy, with a low around 54.
Friday: Sunny, with a high near 75.
Friday Night: Mostly clear, with a low around 54.
Saturday: Sunny, with a high near 77.
Saturday Night: Mostly clear, with a low around 54.
Sunday: Mostly sunny, with a high near 79.
Sunday Night: Mostly clear, with a low around 55.
Monday: Sunny, with a high near 79.