Hilton Head Island 7-day weather forecast

Written by:
September 8, 2025
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Hilton Head Island 7-day weather forecast

Stacker created the forecast for Hilton Head Island, South Carolina using data from OpenWeather. This week's high is 83 °F on Monday, while the low is 65 °F on Monday. There are expected to be 3 sunny days and rain on 5 days this week.

There are currently no weather alerts.

Monday, September 15

- High of 83 °F, low of 65 °F (49% humidity)
- Mostly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:07 AM, sunset at 7:29 PM
1 / 6
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Tuesday, September 16

- High of 83 °F, low of 68 °F (44% humidity)
- Sunny with a 20% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:07 AM, sunset at 7:28 PM
2 / 6
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Wednesday, September 17

- High of 81 °F, low of 67 °F (52% humidity)
- Mostly cloudy with a 31% chance of rain (0 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:08 AM, sunset at 7:26 PM
3 / 6
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Thursday, September 18

- High of 79 °F, low of 73 °F (64% humidity)
- Overcast with a 51% chance of rain (1 mm of rain)
- High risk of harm from sun exposure (5 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:08 AM, sunset at 7:25 PM
4 / 6
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Friday, September 19

- High of 80 °F, low of 74 °F (66% humidity)
- Sunny with a 29% chance of rain (0 mm of rain)
- Moderate breeze (13 mph wind)
- Sunrise at 7:09 AM, sunset at 7:24 PM
5 / 6
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Saturday, September 20

- High of 80 °F, low of 73 °F (66% humidity)
- Sunny with a 0% chance of rain
- Fresh breeze (20 mph wind)
- Sunrise at 7:10 AM, sunset at 7:22 PM
6 / 6
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Sunday, September 21

- High of 79 °F, low of 75 °F (77% humidity)
- Overcast with a 100% chance of rain (10 mm of rain)
- Fresh breeze (24 mph wind)
- Sunrise at 7:10 AM, sunset at 7:21 PM
- New moon

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