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Hilton Head Island Weather

Hilton Head Island 14 Days Forecast

21.07
tue

Day

93°F

N 16 mph

Precip.
5%

Night

82°F

NE 14 mph

Precip.
39%

22.07
wed

Day

88°F

N 14 mph

Precip.
4%

Night

82°F

N 13 mph

Precip.
63%

23.07
thu

Day

90°F

NE 7 mph

Precip.
4%

Night

79°F

SW 8 mph

Precip.
81%

24.07
fri

Day

77°F

S 9 mph

Precip.
45%

Night

79°F

N 9 mph

Precip.
46%

25.07
sat

Day

84°F

E 8 mph

Precip.
66%

Night

75°F

NW 6 mph

Precip.
20%

26.07
sun

Day

79°F

SE 4 mph

Precip.
9%

Night

79°F

NE 7 mph

Precip.
28%

27.07
mon

Day

86°F

NE 9 mph

Precip.
7%

Night

82°F

NE 11 mph

Precip.
11%

28.07
tue

Day

91°F

NE 13 mph

Precip.
6%

Night

81°F

NE 15 mph

Precip.
67%

29.07
wed

Day

84°F

NE 16 mph

Precip.
39%

Night

79°F

NE 9 mph

Precip.
13%

30.07
thu

Day

86°F

N 7 mph

Precip.
7%

Night

81°F

NE 9 mph

Precip.
19%

31.07
fri

Day

84°F

W 6 mph

Precip.
4%

Night

82°F

N 11 mph

Precip.
8%

01.08
sat

Day

86°F

N 9 mph

Precip.
5%

Night

82°F

N 11 mph

Precip.
11%

02.08
sun

Day

84°F

W 9 mph

Precip.
8%

Night

82°F

W 8 mph

Precip.
10%

03.08
mon

Day

86°F

NW 9 mph

Precip.
22%

Night

84°F

NW 10 mph

Precip.
9%

sea water
temperature

Hilton Head Island

monthly
weather

Hilton Head Island

current
weather

Hilton Head Island

7 days
forecast

Hilton Head Island

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in July of 2026 was 86.1°F. The highest and lowest sea temperatures during the month were 87.3°F and 84.9°F.

Show year:

2025

2024

2023

The average sea water temperature in August of 2025 was 85.0°F. The highest and lowest sea temperatures during the month were 88.9°F and 81.9°F.