Sumter 7-day weather forecast

Written by:
September 29, 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 69 °F on Sunday, while the low is 44 °F on Friday. There are expected to be 3 sunny days and rain on 4 days this week.

There are currently no weather alerts.

Monday, October 27

- High of 62 °F, low of 51 °F (76% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- Moderate breeze (17 mph wind)
- Sunrise at 7:36 AM, sunset at 6:33 PM
1 / 6
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Tuesday, October 28

- High of 55 °F, low of 50 °F (88% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Moderate breeze (15 mph wind)
- Sunrise at 7:37 AM, sunset at 6:32 PM
2 / 6
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Wednesday, October 29

- High of 56 °F, low of 51 °F (85% humidity)
- Overcast with a 62% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:38 AM, sunset at 6:31 PM
- First quarter moon
3 / 6
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Thursday, October 30

- High of 60 °F, low of 47 °F (41% humidity)
- Sunny with a 60% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:39 AM, sunset at 6:30 PM
4 / 6
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Friday, October 31

- High of 66 °F, low of 44 °F (37% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:40 AM, sunset at 6:29 PM
5 / 6
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Saturday, November 1

- High of 66 °F, low of 45 °F (39% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (6 mph wind)
- Sunrise at 7:40 AM, sunset at 6:28 PM
6 / 6
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Sunday, November 2

- High of 69 °F, low of 50 °F (38% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:41 AM, sunset at 6:27 PM

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