Sumter weather — 10-day forecast

Temperature, rain, wind and feels-like in Sumter, hour by hour and over 10 days, with the seasonal normal for context.

Now

Reading from 18:00 · NOAA HRRR model

28 °C

Overcast

Feels like 34 °C

1.2 km/hforce 0

Next 12 h

  • 1828°
  • 1928°
  • 2027°
  • 20:17Sunset
  • 2127°
  • 2226°
  • 2325°
  • 0025°
  • 0124°
  • 0224°
  • 0324°
  • 0423°
  • 0523°
  • 0622°15 %

28°18:00 22°06:00

Humidity
78 %
Dew point
24 °C
Gusts
7.2 km/h
Clouds
99 %
Pressure
1,021 hPa ↓
Storm
likely

Grid point 0.7 km away · 3.0 km grid · elevation 50 m

Air quality

The European air-quality index for the city, and the pollutants that set it.

Reading from 20:00
20
Fair

Index set by Ozone

Ozone
50.8µg/m³
PM2.5
7.8µg/m³
PM10
9.2µg/m³
Nitrogen dioxide
4.4µg/m³
Sulphur dioxide
0.7µg/m³
Carbon monoxide
136.0µg/m³
Dust (AOD)
0.01

Generated using Copernicus Atmosphere Monitoring Service information

Hour by hour

Step-by-step detail: temperature, wind, cloud cover and ultraviolet.

Estimated from a deterministic model, not an ensemble probability.
°C

10 days

Each day's extremes and the chance of rain, out to the end of the run.

22° → 39°

Rain probability (> 1 mm): 50 ECMWF ensemble members.

  • Today

    Thunderstorm94 %

    33°

    25°

  • Sat

    Thunderstorm30 %

    34°

    22°

  • Sun

    Mainly clear70 %

    34°

    23°

  • Mon

    Partly cloudy82 %

    36°

    25°

  • Tue

    Thunderstorm82 %

    36°

    25°

  • Wed

    Thunderstorm42 %

    37°

    26°

  • Thu

    Thunderstorm2 mm

    35°

    26°

  • Fri

    Partly cloudy0 mm

    36°

    28°

  • Sat

    Thunderstorm1 mm

    38°

    28°

  • Sun

    Clear sky

    39°

    28°

Sun and UV

Sunrise, sunset, day length and ultraviolet intensity.

Max UV7high
Sunrise
06:38
Daylight
13 h 39
Sunset
20:17

Radiation · 5.2 MJ/m²

Today in Sumter the mean temperature will be 27.9 °C — +1.3 °C against the normal for 7 August, measured from 1940 to 2026. (1,290 obs.)

Sumter climate — normals and trends