See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Clear
Feels Like: 23°
Min: 21°
Max: 31°
The next few hours will be clear, with today reaching 31°C and dropping to 18°C. The coming days will be cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:12
Sunrise
19:24
Sunset
Moon
Waxing Crescent
11:44
Moonrise
21:12
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Fort Mill.
Resources
UV Index
Humidity
Weather in Fort Mill today, September 15, 2026
Fort Mill looks cloudy on September 15, 2026, with grey skies for much of the day. Sunshine stays limited, so the overall tone is muted from the morning onward. The morning sky stays heavily clouded, with cover near 100% around 07:00. Grey conditions set the early tone before any later change.
Expect highs of 31°C and cooler readings close to 21°C. Moisture in the air spans 39%-85%, with the highest values around 05:00. Airflow remains manageable, reaching about 4.2 km/h around 09:00.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 16:00. Outdoor plans may still want a flexible backup. Views remain open at about 16.1 km. Expect sunrise at 07:12, sunset at 19:24, and 12 hours 12 minutes of sunlight today overall.
Taken together, overcast skies in Fort Mill on September 15, 2026 favour indoor or covered options, with temperatures near 31°C.
Frequently asked questions about weather in Fort Mill
How warm does it get in Fort Mill?
The warmest month in Fort Mill is July, with average high temperatures of 33°C. The average temperature during this period is around 27°C.
How cold does it get in Fort Mill?
The coldest month in Fort Mill is January, with average low temperatures of 2°C. The average temperature during this period is around 6°C.
What is the wettest time of year in Fort Mill?
The wettest month in Fort Mill is August, with an average of 129mm of precipitation.
What is the driest time of year in Fort Mill?
The driest month in Fort Mill is November, with an average of 73mm of precipitation.
Explore more weather forecasts
- Rock Hill, South Carolina
- New York City, New York
- Gaffney, South Carolina
- Los Angeles, California
- Spartanburg, South Carolina
- Brooklyn, New York
- Newberry, South Carolina
- Chicago, Illinois
- Irmo, South Carolina
- Houston, Texas
- Dentsville, South Carolina
- Queens, New York
- Seven Oaks, South Carolina
- Phoenix, Arizona
- Saint Andrews, South Carolina
- Philadelphia, Pennsylvania
