Weather Forecast for Hilton Head Island
South Carolina, United States of America
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Current Weather - Hilton Head Island: 36°C
Current Weather - Hilton Head Island: 36°C
South Carolina, United States of America
Thundery outbreaks in nearby
Feels like 41°C
Wind
13 km/h S
Humidity
46%
Pressure
1018 mb
UV Index
5
Visibility
9 km
Sunny
Saturday, August 15, 2026
High
36°C
Low
25°C
Rain Chance
19%
Hourly Forecast
28°C
28°C
Day Statistics
Maximum Wind
16 km/h
Humidity
76%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
19%
Snow Chance
0%
Sun & Moon
Sunrise
06:47 AM
Sunset
08:08 PM
Moonrise
09:45 AM
Moonset
09:49 PM
Moon Phase
Waxing Crescent
Moon Illumination
11%
Air Quality
PM2.5
8.3
μg/m³
PM10
8.6
μg/m³
NO₂
2.9
μg/m³
O₃
94.3
μg/m³
SO₂
0.8
μg/m³
CO
138.3
μg/m³
Sunny
Sunday, August 16, 2026
High
36°C
Low
25°C
Rain Chance
36%
Hourly Forecast
27°C
27°C
26°C
26°C
25°C
25°C
25°C
25°C
26°C
28°C
30°C
32°C
34°C
35°C
36°C
36°C
36°C
36°C
34°C
32°C
30°C
30°C
29°C
29°C
Day Statistics
Maximum Wind
16 km/h
Humidity
69%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:48 AM
Sunset
08:06 PM
Moonrise
10:52 AM
Moonset
10:20 PM
Moon Phase
Waxing Crescent
Moon Illumination
18%
Air Quality
PM2.5
11.3
μg/m³
PM10
11.8
μg/m³
NO₂
2.9
μg/m³
O₃
95.6
μg/m³
SO₂
0.8
μg/m³
CO
143.2
μg/m³
Sunny
Monday, August 17, 2026
High
39°C
Low
26°C
Rain Chance
36%
Hourly Forecast
29°C
28°C
27°C
26°C
26°C
26°C
26°C
26°C
27°C
29°C
32°C
34°C
36°C
38°C
39°C
39°C
39°C
38°C
36°C
32°C
32°C
30°C
29°C
29°C
Day Statistics
Maximum Wind
16 km/h
Humidity
63%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
06:49 AM
Sunset
08:05 PM
Moonrise
11:57 AM
Moonset
10:53 PM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
14.8
μg/m³
PM10
16.8
μg/m³
NO₂
2.9
μg/m³
O₃
99.1
μg/m³
SO₂
0.9
μg/m³
CO
140.8
μg/m³
Sunny
Tuesday, August 18, 2026
High
39°C
Low
25°C
Rain Chance
57%
Hourly Forecast
28°C
28°C
28°C
27°C
27°C
27°C
27°C
27°C
28°C
30°C
32°C
35°C
37°C
38°C
38°C
39°C
38°C
34°C
31°C
31°C
29°C
30°C
28°C
25°C
Day Statistics
Maximum Wind
18 km/h
Humidity
63%
Precipitation
1 mm
UV Index
9
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
06:49 AM
Sunset
08:04 PM
Moonrise
01:02 PM
Moonset
11:29 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
14.6
μg/m³
PM10
16.2
μg/m³
NO₂
3.1
μg/m³
O₃
108
μg/m³
SO₂
0.9
μg/m³
CO
152.3
μg/m³
Sunny
Wednesday, August 19, 2026
High
37°C
Low
25°C
Rain Chance
17%
Hourly Forecast
26°C
25°C
25°C
25°C
25°C
25°C
25°C
25°C
26°C
28°C
30°C
33°C
35°C
36°C
37°C
37°C
37°C
37°C
34°C
32°C
30°C
29°C
28°C
28°C
Day Statistics
Maximum Wind
14 km/h
Humidity
70%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:50 AM
Sunset
08:03 PM
Moonrise
02:06 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
13
μg/m³
PM10
13.6
μg/m³
NO₂
3.4
μg/m³
O₃
81.9
μg/m³
SO₂
0.8
μg/m³
CO
256.2
μg/m³
Sunny
Thursday, August 20, 2026
High
37°C
Low
25°C
Rain Chance
17%
Hourly Forecast
27°C
26°C
25°C
25°C
25°C
25°C
25°C
26°C
26°C
28°C
31°C
33°C
34°C
35°C
37°C
36°C
36°C
36°C
34°C
32°C
30°C
29°C
29°C
29°C
Day Statistics
Maximum Wind
15 km/h
Humidity
68%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
06:51 AM
Sunset
08:02 PM
Moonrise
03:07 PM
Moonset
12:09 AM
Moon Phase
First Quarter
Moon Illumination
58%
Sunny
Friday, August 21, 2026
High
35°C
Low
23°C
Rain Chance
68%
Hourly Forecast
27°C
26°C
25°C
25°C
24°C
24°C
24°C
24°C
24°C
26°C
29°C
31°C
32°C
34°C
35°C
35°C
35°C
34°C
33°C
31°C
29°C
27°C
25°C
23°C
Day Statistics
Maximum Wind
18 km/h
Humidity
73%
Precipitation
7 mm
UV Index
8
Visibility
10 km
Rain Chance
68%
Snow Chance
0%
Sun & Moon
Sunrise
06:51 AM
Sunset
08:01 PM
Moonrise
04:04 PM
Moonset
12:55 AM
Moon Phase
First Quarter
Moon Illumination
69%
Solar Radiation Data
Shortwave Radiation
774.08
Diffuse Radiation
276.32
DNI
0
GTI
0
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