18.03
wed
wed
Day
54°F
SW 9 mph
Precip.
0%
0%
Night
48°F
S 10 mph
Precip.
0%
0%
19.03
thu
thu
Day
57°F
SW 9 mph
Precip.
0%
0%
Night
55°F
W 4 mph
Precip.
0%
0%
20.03
fri
fri
Day
61°F
W 6 mph
Precip.
0%
0%
Night
57°F
N 7 mph
Precip.
0%
0%
21.03
sat
sat
Day
66°F
E 9 mph
Precip.
0%
0%
Night
63°F
NE 7 mph
Precip.
0%
0%
22.03
sun
sun
Day
72°F
NE 9 mph
Precip.
0%
0%
Night
64°F
NE 11 mph
Precip.
0%
0%
23.03
mon
mon
Day
73°F
NE 11 mph
Precip.
0%
0%
Night
66°F
NE 10 mph
Precip.
100%
100%
24.03
tue
tue
Day
55°F
SW 20 mph
Precip.
0%
0%
Night
54°F
W 17 mph
Precip.
0%
0%
sea water
temperature
temperature
| Hilton Head Island |
monthly
weather
weather
| Hilton Head Island |
current
weather
weather
| Hilton Head Island |
14 days
forecast
forecast
| Hilton Head Island |
Sea water temperature in March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 60.0°F. The highest and lowest sea temperatures during the month were 63.3°F and 54.3°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 69.4°F. The highest and lowest sea temperatures during the month were 74.5°F and 64.2°F.
Air temperature in Hilton Head Island, °F
Precipitation total in Hilton Head Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Hilton Head Island
Hilton Head Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Hilton Head Island
Local time: 19:02
March 18, wednesday
2100
50°F
SW
7 mph
7 mph
March 19, thursday
0000
48°F
S
10 mph
10 mph
0300
46°F
S
10 mph
10 mph
0600
46°F
S
11 mph
11 mph
0900
50°F
S
11 mph
11 mph
1200
57°F
SW
9 mph
9 mph
1500
59°F
W
9 mph
9 mph
1800
59°F
W
9 mph
9 mph
