Sumter 7-day weather forecast

Written by:
September 29, 2025
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Sumter 7-day weather forecast

Stacker created the forecast for Sumter, South Carolina using data from OpenWeather. This week's high is 79 °F on Sunday, while the low is 50 °F on Friday. There are expected to be 5 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, October 13

- High of 74 °F, low of 60 °F (72% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 7:24 AM, sunset at 6:49 PM
- Last quarter moon
1 / 6
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Tuesday, October 14

- High of 77 °F, low of 57 °F (53% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:25 AM, sunset at 6:48 PM
2 / 6
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Wednesday, October 15

- High of 77 °F, low of 59 °F (52% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:26 AM, sunset at 6:47 PM
3 / 6
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Thursday, October 16

- High of 70 °F, low of 56 °F (36% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:27 AM, sunset at 6:46 PM
4 / 6
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Friday, October 17

- High of 70 °F, low of 50 °F (31% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 7:27 AM, sunset at 6:45 PM
5 / 6
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Saturday, October 18

- High of 75 °F, low of 54 °F (38% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:28 AM, sunset at 6:43 PM
6 / 6
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Sunday, October 19

- High of 79 °F, low of 59 °F (53% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:29 AM, sunset at 6:42 PM

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