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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 78 °F on Saturday, while the low is 43 °F on Tuesday. There are expected to be 2 sunny days and rain on 3 days this week.
There are currently no weather alerts.
Monday, March 10
- High of 52 °F, low of 46 °F (91% humidity)- Overcast with a 100% chance of rain (26 mm of rain)
- Moderate breeze (18 mph wind)
- Sunrise at 7:38 AM, sunset at 7:25 PM
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1 / 6
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Tuesday, March 11
- High of 70 °F, low of 43 °F (41% humidity)
- Sunny with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:36 AM, sunset at 7:25 PM
- Sunny with a 100% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:36 AM, sunset at 7:25 PM

2 / 6
Piyawat Nandeenopparit // Shutterstock
Wednesday, March 12
- High of 74 °F, low of 49 °F (40% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:35 AM, sunset at 7:26 PM
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:35 AM, sunset at 7:26 PM

3 / 6
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Thursday, March 13
- High of 70 °F, low of 52 °F (46% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:34 AM, sunset at 7:27 PM
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:34 AM, sunset at 7:27 PM

4 / 6
Robert Schlie // Shutterstock
Friday, March 14
- High of 76 °F, low of 54 °F (45% humidity)
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 7:32 AM, sunset at 7:28 PM
- Full moon
- Mostly cloudy with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 7:32 AM, sunset at 7:28 PM
- Full moon

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Alex Stemmer // Shutterstock
Saturday, March 15
- High of 78 °F, low of 57 °F (50% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (18 mph wind)
- Sunrise at 7:31 AM, sunset at 7:28 PM
- Overcast with a 0% chance of rain
- Moderate breeze (18 mph wind)
- Sunrise at 7:31 AM, sunset at 7:28 PM
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6 / 6
Ryzhkov Oleksandr // Shutterstock
Sunday, March 16
- High of 76 °F, low of 62 °F (81% humidity)
- Partly sunny with a 100% chance of rain (3 mm of rain)
- Fresh breeze (21 mph wind)
- Sunrise at 7:30 AM, sunset at 7:29 PM
- Partly sunny with a 100% chance of rain (3 mm of rain)
- Fresh breeze (21 mph wind)
- Sunrise at 7:30 AM, sunset at 7:29 PM