Charleston, South Carolina 7-day weather forecast

Written by:
September 8, 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 85 °F on Tuesday, while the low is 62 °F on Monday. There are expected to be 4 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, September 15

- High of 82 °F, low of 62 °F (42% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:03 AM, sunset at 7:26 PM
1 / 6
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Tuesday, September 16

- High of 85 °F, low of 65 °F (42% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:04 AM, sunset at 7:24 PM
2 / 6
Stepan Bessmelnitsin // Shutterstock

Wednesday, September 17

- High of 85 °F, low of 64 °F (46% humidity)
- Partly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:04 AM, sunset at 7:23 PM
3 / 6
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Thursday, September 18

- High of 82 °F, low of 72 °F (54% humidity)
- Overcast with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:05 AM, sunset at 7:22 PM
4 / 6
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Friday, September 19

- High of 85 °F, low of 72 °F (52% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 7:06 AM, sunset at 7:20 PM
5 / 6
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Saturday, September 20

- High of 83 °F, low of 72 °F (52% humidity)
- Sunny with a 0% chance of rain
- Moderate breeze (17 mph wind)
- Sunrise at 7:06 AM, sunset at 7:19 PM
6 / 6
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Sunday, September 21

- High of 80 °F, low of 73 °F (67% humidity)
- Overcast with a 84% chance of rain (2 mm of rain)
- Fresh breeze (20 mph wind)
- Sunrise at 7:07 AM, sunset at 7:18 PM
- New moon

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