Need precision hour-by-hour weather for Sumter County? Our Hourly Weather Tracker provides real-time hourly temperature shifts, wind speeds, humidity levels, and exact rain probability curves.
Sumter County Hourly Weather Tracker
Sunday, Oct 25, 2026
Nighttime
57°F
Sunny / Clear
Feels like 57°F
Humidity
75%
Wind Speed
9.8 mph
Precipitation
0 in
Pressure
1030 hPa
UV Index
0
Visibility
10 mi
Cloud Cover
1%
Dew Point
48°F
Detailed 48-Hour Tracker
Air Quality (AQI)
36Good
Air quality is satisfactory, and air pollution poses little or no risk.
PM2.5
7.9 µg/m³
PM10
11.9 µg/m³
Sun & Moon Phase
Sunrise
6:00 AM
Sunset
8:00 PM
Moon Phase
Waxing Gibbous
7-Day Overview
Extended Local Forecasts
Location View
Sumter County · 33.98°N, 80.45°W
Coordinates33.9758°N, 80.4451°W
Elevationm
TimezoneAmerica/New_York
Nearby Cities in South Carolina
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Safety & Environmental Index
| Metric | Value | Status / Interpretation |
|---|---|---|
| Air Quality (AQI) | 36 | Good |
| UV Index | 0 | Low Risk |
| Visibility | 10 miles | Clear |
Frequently Asked Questions
Our hourly forecast provides hour-by-hour updates on temperature, wind speed, and rain probability in Sumter County to help you plan your day with precision.
About Sumter County Climate & Weather
Weather forecast for Sumter County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.
Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.