Sumter 7-day weather forecast

Written by:
June 30, 2025
ESOlex // Shutterstock

Sumter 7-day weather forecast

Stacker created the forecast for Sumter, South Carolina using data from OpenWeather. This week's high is 96 °F on Monday, while the low is 71 °F on Thursday. There are expected to be 4 sunny days and rain on 6 days this week.

There are currently no weather alerts.

Monday, June 30

- High of 96 °F, low of 74 °F (43% humidity)
- Fair with a 99% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 6:13 AM, sunset at 8:36 PM
1 / 6
AnnaElizabeth photography // Shutterstock

Tuesday, July 1

- High of 92 °F, low of 72 °F (47% humidity)
- Sunny with a 100% chance of rain (3 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:13 AM, sunset at 8:36 PM
2 / 6
Cari Rubin Photography // Shutterstock

Wednesday, July 2

- High of 81 °F, low of 72 °F (80% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:14 AM, sunset at 8:36 PM
- First quarter moon
3 / 6
logoboom // Shutterstock

Thursday, July 3

- High of 90 °F, low of 71 °F (50% humidity)
- Partly cloudy with a 42% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:14 AM, sunset at 8:36 PM
4 / 6
cooperr // Shutterstock

Friday, July 4

- High of 95 °F, low of 72 °F (40% humidity)
- Sunny with a 100% chance of rain (4 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 6:15 AM, sunset at 8:36 PM
5 / 6
Maxim Grohotov // Shutterstock

Saturday, July 5

- High of 92 °F, low of 71 °F (42% humidity)
- Fair with a 0% chance of rain
- Gentle breeze (11 mph wind)
- Sunrise at 6:15 AM, sunset at 8:35 PM
6 / 6
GP PIXSTOCK // Shutterstock

Sunday, July 6

- High of 87 °F, low of 72 °F (51% humidity)
- Mostly cloudy with a 66% chance of rain (1 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 6:16 AM, sunset at 8:35 PM

Trending Now