Weather Forecast for Hilton Head Island
South Carolina, United States of America
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Current Weather - Hilton Head Island: 28°C
Current Weather - Hilton Head Island: 28°C
South Carolina, United States of America
Patchy rain nearby
Feels like 31°C
Wind
19 km/h E
Humidity
68%
Pressure
1014 mb
UV Index
4
Visibility
9 km
Patchy rain nearby
Tuesday, September 22, 2026
High
30°C
Low
25°C
Rain Chance
69%
Hourly Forecast
26°C
26°C
Day Statistics
Maximum Wind
22 km/h
Humidity
78%
Precipitation
3 mm
UV Index
8
Visibility
10 km
Rain Chance
69%
Snow Chance
0%
Sun & Moon
Sunrise
07:11 AM
Sunset
07:20 PM
Moonrise
05:24 PM
Moonset
03:26 AM
Moon Phase
Waxing Gibbous
Moon Illumination
89%
Air Quality
PM2.5
4.2
μg/m³
PM10
5.8
μg/m³
NO₂
2.3
μg/m³
O₃
60.9
μg/m³
SO₂
0.6
μg/m³
CO
117.6
μg/m³
Patchy rain nearby
Wednesday, September 23, 2026
High
28°C
Low
22°C
Rain Chance
57%
Hourly Forecast
26°C
25°C
24°C
24°C
23°C
23°C
23°C
22°C
22°C
23°C
25°C
26°C
26°C
27°C
27°C
27°C
28°C
27°C
26°C
25°C
25°C
24°C
23°C
22°C
Day Statistics
Maximum Wind
23 km/h
Humidity
80%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
07:12 AM
Sunset
07:19 PM
Moonrise
05:51 PM
Moonset
04:22 AM
Moon Phase
Waxing Gibbous
Moon Illumination
95%
Air Quality
PM2.5
2.9
μg/m³
PM10
3.4
μg/m³
NO₂
1.9
μg/m³
O₃
69.7
μg/m³
SO₂
0.6
μg/m³
CO
122
μg/m³
Overcast
Thursday, September 24, 2026
High
24°C
Low
19°C
Rain Chance
37%
Hourly Forecast
22°C
21°C
22°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
22°C
23°C
24°C
24°C
24°C
24°C
23°C
23°C
22°C
22°C
21°C
20°C
19°C
20°C
Day Statistics
Maximum Wind
26 km/h
Humidity
75%
Precipitation
0 mm
UV Index
5
Visibility
10 km
Rain Chance
37%
Snow Chance
0%
Sun & Moon
Sunrise
07:12 AM
Sunset
07:17 PM
Moonrise
06:17 PM
Moonset
05:18 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
3.6
μg/m³
PM10
4.8
μg/m³
NO₂
1.5
μg/m³
O₃
70.5
μg/m³
SO₂
0.5
μg/m³
CO
127.2
μg/m³
Sunny
Friday, September 25, 2026
High
25°C
Low
16°C
Rain Chance
5%
Hourly Forecast
20°C
19°C
18°C
17°C
17°C
17°C
16°C
16°C
16°C
17°C
19°C
20°C
22°C
23°C
24°C
25°C
25°C
25°C
25°C
23°C
22°C
21°C
21°C
20°C
Day Statistics
Maximum Wind
23 km/h
Humidity
61%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
07:13 AM
Sunset
07:16 PM
Moonrise
06:43 PM
Moonset
06:14 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
6.8
μg/m³
PM10
9
μg/m³
NO₂
2.2
μg/m³
O₃
75.9
μg/m³
SO₂
0.7
μg/m³
CO
141.3
μg/m³
Sunny
Saturday, September 26, 2026
High
25°C
Low
15°C
Rain Chance
3%
Hourly Forecast
19°C
18°C
18°C
17°C
17°C
16°C
16°C
15°C
15°C
17°C
19°C
21°C
23°C
24°C
25°C
25°C
25°C
24°C
23°C
22°C
21°C
21°C
21°C
21°C
Day Statistics
Maximum Wind
17 km/h
Humidity
45%
Precipitation
0 mm
UV Index
8
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
07:14 AM
Sunset
07:15 PM
Moonrise
07:09 PM
Moonset
07:10 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
6.7
μg/m³
PM10
8.2
μg/m³
NO₂
3.2
μg/m³
O₃
78
μg/m³
SO₂
0.9
μg/m³
CO
201.1
μg/m³
Overcast
Sunday, September 27, 2026
High
26°C
Low
18°C
Rain Chance
9%
Hourly Forecast
21°C
20°C
20°C
20°C
19°C
19°C
19°C
18°C
19°C
21°C
22°C
24°C
25°C
25°C
26°C
25°C
25°C
24°C
23°C
23°C
23°C
23°C
23°C
23°C
Day Statistics
Maximum Wind
12 km/h
Humidity
45%
Precipitation
0 mm
UV Index
6
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
07:14 AM
Sunset
07:13 PM
Moonrise
07:36 PM
Moonset
08:08 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Overcast
Monday, September 28, 2026
High
26°C
Low
20°C
Rain Chance
8%
Hourly Forecast
23°C
23°C
22°C
22°C
22°C
21°C
21°C
20°C
20°C
22°C
23°C
25°C
25°C
25°C
25°C
26°C
26°C
26°C
25°C
25°C
24°C
24°C
24°C
24°C
Day Statistics
Maximum Wind
14 km/h
Humidity
53%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
8%
Snow Chance
0%
Sun & Moon
Sunrise
07:15 AM
Sunset
07:12 PM
Moonrise
08:07 PM
Moonset
09:08 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Solar Radiation Data
Shortwave Radiation
621.68
Diffuse Radiation
159.47
DNI
386.56
GTI
455.9
Weather Alerts
Small Craft Advisory issued September 22 at 2:13PM EDT until September 25 at 5:00PM EDT by NWS Charleston SC
* WHAT...North winds 20 to 30 kt and seas 4 to 7 ft expected. * WHERE...Edisto Beach to Savannah out 20 NM. * WHEN...From 5 AM Wednesday to 5 PM EDT Friday. * IMPACTS...Conditions will be hazardous to small craft.
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
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