Sumter 7-day weather forecast

Written by:
May 19, 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 84 °F on Wednesday, while the low is 58 °F on Wednesday. There is expected to be 1 sunny day and rain on 5 days this week.

There are currently no weather alerts.

Monday, May 26

- High of 75 °F, low of 62 °F (67% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:13 AM, sunset at 8:23 PM
- New moon
1 / 6
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Tuesday, May 27

- High of 70 °F, low of 60 °F (92% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate risk of harm from sun exposure (5 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:13 AM, sunset at 8:24 PM
2 / 6
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Wednesday, May 28

- High of 84 °F, low of 58 °F (59% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:12 AM, sunset at 8:24 PM
3 / 6
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Thursday, May 29

- High of 80 °F, low of 68 °F (74% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:12 AM, sunset at 8:25 PM
4 / 6
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Friday, May 30

- High of 80 °F, low of 67 °F (69% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 6:12 AM, sunset at 8:26 PM
5 / 6
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Saturday, May 31

- High of 79 °F, low of 63 °F (59% humidity)
- Mostly cloudy with a 100% chance of rain (6 mm of rain)
- Light breeze (7 mph wind)
- Sunrise at 6:11 AM, sunset at 8:26 PM
6 / 6
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Sunday, June 1

- High of 81 °F, low of 62 °F (35% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 6:11 AM, sunset at 8:27 PM

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