Charleston, South Carolina 7-day weather forecast

Written by:
August 25, 2025
ESOlex // Shutterstock

Charleston, South Carolina 7-day weather forecast

Stacker created the forecast for Charleston, South Carolina using data from OpenWeather. This week's high is 90 °F on Tuesday, while the low is 69 °F on Wednesday. There are expected to be 2 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, August 25

- High of 89 °F, low of 74 °F (50% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:50 AM, sunset at 7:53 PM
1 / 6
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Tuesday, August 26

- High of 90 °F, low of 72 °F (43% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Light breeze (7 mph wind)
- Sunrise at 6:50 AM, sunset at 7:52 PM
2 / 6
Saijai Boonmak // Shutterstock

Wednesday, August 27

- High of 85 °F, low of 69 °F (37% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 6:51 AM, sunset at 7:51 PM
3 / 6
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Thursday, August 28

- High of 83 °F, low of 73 °F (52% humidity)
- Overcast with a 24% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 6:52 AM, sunset at 7:50 PM
4 / 6
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Friday, August 29

- High of 84 °F, low of 74 °F (50% humidity)
- Partly cloudy with a 100% chance of rain (2 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 6:52 AM, sunset at 7:48 PM
5 / 6
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Saturday, August 30

- High of 84 °F, low of 73 °F (49% humidity)
- Sunny with a 0% chance of rain
- Moderate breeze (13 mph wind)
- Sunrise at 6:53 AM, sunset at 7:47 PM
6 / 6
Witaya Proadtayakogool // Shutterstock

Sunday, August 31

- High of 82 °F, low of 76 °F (54% humidity)
- Overcast with a 0% chance of rain
- Moderate breeze (15 mph wind)
- Sunrise at 6:54 AM, sunset at 7:46 PM
- First quarter moon

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