Sumter 7-day weather forecast

Written by:
June 8, 2026
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Sumter 7-day weather forecast

created the forecast for Sumter, South Carolina using data from . This week's high is 95 掳F on Sunday, while the low is 72 掳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, August 3

- High of 86 掳F, low of 74 掳F (70% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:34 AM, sunset at 8:20 PM
1 / 6
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Tuesday, August 4

- High of 87 掳F, low of 74 掳F (56% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:35 AM, sunset at 8:19 PM
2 / 6
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Wednesday, August 5

- High of 93 掳F, low of 72 掳F (50% humidity)
- Mostly cloudy with a 83% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 6:35 AM, sunset at 8:18 PM
- Last quarter moon
3 / 6
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Thursday, August 6

- High of 91 掳F, low of 74 掳F (49% humidity)
- Partly sunny with a 100% chance of rain (3 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:36 AM, sunset at 8:17 PM
4 / 6
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Friday, August 7

- High of 94 掳F, low of 74 掳F (41% humidity)
- Partly cloudy with a 100% chance of rain (3 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 6:37 AM, sunset at 8:17 PM
5 / 6
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Saturday, August 8

- High of 94 掳F, low of 73 掳F (40% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 6:38 AM, sunset at 8:16 PM
6 / 6
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Sunday, August 9

- High of 95 掳F, low of 73 掳F (39% humidity)
- Fair with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 6:38 AM, sunset at 8:15 PM

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