Sumter 7-day weather forecast

Written by:
March 23, 2026
ESOlex // Shutterstock

Sumter 7-day weather forecast

Stacker created the forecast for Sumter, South Carolina using data from OpenWeather. This week's high is 85 °F on Monday, while the low is 37 °F on Sunday. There are expected to be 3 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, March 23

- High of 85 °F, low of 58 °F (45% humidity)
- Partly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Fresh breeze (19 mph wind)
- Sunrise at 7:20 AM, sunset at 7:34 PM
1 / 6
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Tuesday, March 24

- High of 56 °F, low of 46 °F (35% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:19 AM, sunset at 7:35 PM
2 / 6
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Wednesday, March 25

- High of 66 °F, low of 41 °F (35% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:18 AM, sunset at 7:36 PM
- First quarter moon
3 / 6
afoto6267 // Shutterstock

Thursday, March 26

- High of 76 °F, low of 54 °F (45% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:16 AM, sunset at 7:37 PM
4 / 6
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Friday, March 27

- High of 84 °F, low of 58 °F (42% humidity)
- Sunny with a 29% chance of rain (0 mm of rain)
- Moderate breeze (18 mph wind)
- Sunrise at 7:15 AM, sunset at 7:37 PM
5 / 6
ESOlex // Shutterstock

Saturday, March 28

- High of 57 °F, low of 43 °F (28% humidity)
- Partly cloudy with a 23% chance of rain (1 mm of rain)
- Moderate breeze (18 mph wind)
- Sunrise at 7:14 AM, sunset at 7:38 PM
6 / 6
Gary Whitton // Shutterstock

Sunday, March 29

- High of 63 °F, low of 37 °F (22% humidity)
- Fair with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 7:12 AM, sunset at 7:39 PM

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