Weather Forecast for Hilton Head Island
South Carolina, United States of America
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Current Weather - Hilton Head Island: 16°C
Current Weather - Hilton Head Island: 16°C
South Carolina, United States of America
Patchy rain nearby
Feels like 12°C
Wind
30 km/h N
Humidity
83%
Pressure
1019 mb
UV Index
0
Visibility
10 km
Sunny
Saturday, October 17, 2026
High
23°C
Low
14°C
Rain Chance
57%
Hourly Forecast
17°C
17°C
16°C
16°C
15°C
14°C
14°C
Day Statistics
Maximum Wind
33 km/h
Humidity
70%
Precipitation
1 mm
UV Index
2
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
07:28 AM
Sunset
06:48 PM
Moonrise
02:14 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
47%
Air Quality
PM2.5
4.5
μg/m³
PM10
4.7
μg/m³
NO₂
2.6
μg/m³
O₃
64.1
μg/m³
SO₂
0.7
μg/m³
CO
138.4
μg/m³
Sunny
Sunday, October 18, 2026
High
20°C
Low
10°C
Rain Chance
3%
Hourly Forecast
13°C
13°C
12°C
12°C
12°C
11°C
11°C
11°C
10°C
11°C
12°C
14°C
16°C
17°C
18°C
19°C
20°C
19°C
19°C
17°C
16°C
16°C
15°C
14°C
Day Statistics
Maximum Wind
28 km/h
Humidity
55%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
07:29 AM
Sunset
06:47 PM
Moonrise
02:51 PM
Moonset
12:18 AM
Moon Phase
First Quarter
Moon Illumination
58%
Air Quality
PM2.5
2.4
μg/m³
PM10
2.9
μg/m³
NO₂
1.3
μg/m³
O₃
74.8
μg/m³
SO₂
0.7
μg/m³
CO
116.9
μg/m³
Sunny
Monday, October 19, 2026
High
21°C
Low
11°C
Rain Chance
3%
Hourly Forecast
14°C
13°C
13°C
13°C
12°C
12°C
11°C
11°C
11°C
12°C
14°C
15°C
17°C
19°C
20°C
20°C
21°C
20°C
20°C
17°C
17°C
16°C
15°C
15°C
Day Statistics
Maximum Wind
22 km/h
Humidity
57%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
07:30 AM
Sunset
06:46 PM
Moonrise
03:24 PM
Moonset
01:16 AM
Moon Phase
First Quarter
Moon Illumination
68%
Air Quality
PM2.5
4.5
μg/m³
PM10
5.4
μg/m³
NO₂
2.2
μg/m³
O₃
77.2
μg/m³
SO₂
0.9
μg/m³
CO
124.5
μg/m³
Sunny
Tuesday, October 20, 2026
High
24°C
Low
12°C
Rain Chance
2%
Hourly Forecast
15°C
14°C
14°C
13°C
13°C
13°C
12°C
12°C
12°C
14°C
16°C
18°C
20°C
22°C
23°C
23°C
24°C
24°C
22°C
20°C
19°C
18°C
18°C
17°C
Day Statistics
Maximum Wind
16 km/h
Humidity
48%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
07:30 AM
Sunset
06:45 PM
Moonrise
03:53 PM
Moonset
02:13 AM
Moon Phase
Waxing Gibbous
Moon Illumination
77%
Air Quality
PM2.5
4.8
μg/m³
PM10
5.4
μg/m³
NO₂
3.4
μg/m³
O₃
80.4
μg/m³
SO₂
1
μg/m³
CO
136.4
μg/m³
Sunny
Wednesday, October 21, 2026
High
24°C
Low
14°C
Rain Chance
1%
Hourly Forecast
17°C
16°C
16°C
15°C
15°C
15°C
14°C
14°C
14°C
15°C
17°C
19°C
21°C
22°C
23°C
24°C
24°C
23°C
22°C
20°C
19°C
18°C
18°C
17°C
Day Statistics
Maximum Wind
18 km/h
Humidity
47%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
1%
Snow Chance
0%
Sun & Moon
Sunrise
07:31 AM
Sunset
06:44 PM
Moonrise
04:19 PM
Moonset
03:09 AM
Moon Phase
Waxing Gibbous
Moon Illumination
86%
Air Quality
PM2.5
5.4
μg/m³
PM10
5.6
μg/m³
NO₂
4.4
μg/m³
O₃
71.4
μg/m³
SO₂
1
μg/m³
CO
166.6
μg/m³
Sunny
Thursday, October 22, 2026
High
23°C
Low
14°C
Rain Chance
2%
Hourly Forecast
17°C
17°C
16°C
16°C
15°C
15°C
15°C
14°C
14°C
16°C
18°C
20°C
21°C
22°C
23°C
22°C
22°C
22°C
21°C
20°C
18°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
13 km/h
Humidity
50%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
07:32 AM
Sunset
06:43 PM
Moonrise
04:45 PM
Moonset
04:04 AM
Moon Phase
Waxing Gibbous
Moon Illumination
92%
Sunny
Friday, October 23, 2026
High
22°C
Low
15°C
Rain Chance
2%
Hourly Forecast
18°C
17°C
17°C
16°C
16°C
16°C
15°C
15°C
15°C
17°C
18°C
20°C
21°C
22°C
22°C
22°C
22°C
22°C
21°C
20°C
19°C
19°C
18°C
17°C
Day Statistics
Maximum Wind
15 km/h
Humidity
51%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
2%
Snow Chance
0%
Sun & Moon
Sunrise
07:33 AM
Sunset
06:42 PM
Moonrise
05:10 PM
Moonset
05:00 AM
Moon Phase
Full Moon
Moon Illumination
97%
Solar Radiation Data
Shortwave Radiation
16.4
Diffuse Radiation
16.37
DNI
0.06
GTI
15.37
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