Sumter 7-day weather forecast

Written by:
December 1, 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 63 °F on Sunday, while the low is 37 °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, December 1

- High of 57 °F, low of 42 °F (38% humidity)
- Overcast with a 87% chance of rain (1 mm of rain)
- Moderate risk of harm from sun exposure (2 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 7:08 AM, sunset at 5:12 PM
1 / 6
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Tuesday, December 2

- High of 57 °F, low of 43 °F (91% humidity)
- Overcast with a 100% chance of rain (35 mm of rain)
- Moderate breeze (16 mph wind)
- Sunrise at 7:09 AM, sunset at 5:12 PM
2 / 6
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Wednesday, December 3

- High of 52 °F, low of 37 °F (46% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:10 AM, sunset at 5:12 PM
3 / 6
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Thursday, December 4

- High of 56 °F, low of 41 °F (46% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:11 AM, sunset at 5:12 PM
- Full moon
4 / 6
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Friday, December 5

- High of 47 °F, low of 43 °F (92% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:12 AM, sunset at 5:12 PM
5 / 6
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Saturday, December 6

- High of 58 °F, low of 46 °F (71% humidity)
- Overcast with a 100% chance of rain (12 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:13 AM, sunset at 5:12 PM
6 / 6
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Sunday, December 7

- High of 63 °F, low of 53 °F (98% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:13 AM, sunset at 5:12 PM

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