Hilton Head Island · first 14 days — live forecast · rest of month — climate corridor
🗺️ 14-day forecast map
Hilton Head Island & neighbors — hit play
Every city on the map carries real forecast data from the same models as its city page, refreshed several times a day. The icon is the day's overall look; the number is the afternoon high.
Next 14 days at a glance
from the model forecast
Hottest day
33°
Fri, Sep 11
Coldest night
24°
Tue, Sep 8
Days with precip
4 / 14
of 14 forecast days
Nicest day
Thu, Sep 10
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 5 – Sun 6 Sep
30° 25°
73% precip chance
Sat 12 – Sun 13 Sep
30° 25°
69% precip chance
Sat 19 – Sun 20 Sep
32° 26°
typical range
Sat 26 – Sun 27 Sep
34° 26°
typical range
30 days — Hilton Head Island
14 forecast + 16 climatology
Fri · Today Partly cloudy
33°26°0.2 mm⌄
Wind11 mph SE
Gusts22 mph
UV index10 – Very high
Precip chance26%
Sunrise07:00
Sunset19:43
Sat · Tomorrow Sunny
30°26°15%⌄
Wind12 mph SE
Gusts23 mph
UV index9 – Very high
Precip chance15%
Sunrise07:00
Sunset19:42
Sunday 6/9 Mostly cloudy
30°25°2.3 mm⌄
Wind15 mph E
Gusts24 mph
UV index9 – Very high
Precip chance73%
Sunrise07:01
Sunset19:41
Monday 7/9 Showers
29°26°1.9 mm⌄
Wind18 mph E
Gusts22 mph
UV index7 – High
Precip chance57%
Sunrise07:01
Sunset19:39
Tuesday 8/9 Showers
29°24°4.1 mm⌄
Wind16 mph E
Gusts21 mph
UV index6 – High
Precip chance76%
Sunrise07:02
Sunset19:38
Wednesday 9/9 Partly cloudy
29°26°8%⌄
Wind11 mph SE
Gusts20 mph
UV index7 – High
Precip chance8%
Sunrise07:03
Sunset19:37
Thursday 10/9 Sunny
29°24°4%⌄
Wind10 mph S
Gusts21 mph
UV index7 – High
Precip chance4%
Sunrise07:03
Sunset19:36
Friday 11/9 Sunny
33°24°0.6 mm⌄
Wind13 mph S
Gusts23 mph
UV index8 – Very high
Precip chance36%
Sunrise07:04
Sunset19:34
Saturday 12/9 Mostly cloudy
28°25°3.6 mm⌄
Wind6 mph N
Gusts12 mph
UV index7 – High
Precip chance69%
Sunrise07:05
Sunset19:33
Sunday 13/9 Mostly cloudy
30°26°25%⌄
Wind11 mph S
Gusts18 mph
UV index7 – High
Precip chance25%
Sunrise07:05
Sunset19:32
Monday 14/9 Showers
30°27°0.4 mm⌄
Wind11 mph S
Gusts19 mph
UV index7 – High
Precip chance36%
Sunrise07:06
Sunset19:30
Tuesday 15/9 Mostly cloudy
29°26°17%⌄
Wind10 mph SE
Gusts21 mph
UV index7 – High
Precip chance17%
Sunrise07:06
Sunset19:29
Wednesday 16/9 Sunny
30°26°9%⌄
Wind11 mph E
Gusts15 mph
UV index7 – High
Precip chance9%
Sunrise07:07
Sunset19:28
Thursday 17/9 Showers
29°27°0.6 mm⌄
Wind12 mph E
Gusts15 mph
UV index6 – High
Precip chance43%
Sunrise07:08
Sunset19:26
Friday 18/9 Rain (climatological)
30°25°3.2 mm⌄
Day≈27–33°
Night≈22–28°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 19/9 Partly cloudy (climatological)
32°27°20%⌄
Day≈29–35°
Night≈24–30°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 20/9 Partly cloudy (climatological)
31°26°20%⌄
Day≈28–34°
Night≈23–29°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 21/9 Rain (climatological)
30°26°2.5 mm⌄
Day≈27–33°
Night≈23–29°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 22/9 Partly cloudy (climatological)
29°25°20%⌄
Day≈26–32°
Night≈22–28°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 23/9 Partly cloudy (climatological)
28°24°20%⌄
Day≈25–31°
Night≈21–27°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 24/9 Light rain (climatological)
29°25°1.5 mm⌄
Day≈26–32°
Night≈22–28°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Friday 25/9 Partly cloudy (climatological)
31°26°20%⌄
Day≈28–34°
Night≈23–29°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Saturday 26/9 Partly cloudy (climatological)
31°26°20%⌄
Day≈28–34°
Night≈23–29°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Sunday 27/9 Light rain (climatological)
34°28°1.8 mm⌄
Day≈31–37°
Night≈25–31°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Monday 28/9 Partly cloudy (climatological)
31°26°20%⌄
Day≈28–34°
Night≈23–29°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Tuesday 29/9 Partly cloudy (climatological)
30°25°20%⌄
Day≈27–33°
Night≈22–28°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Wednesday 30/9 Light rain (climatological)
27°24°1.8 mm⌄
Day≈24–30°
Night≈21–27°
Precip≈1.2 in / September
(climatological)Typical range for these dates · 1991–2020
Thursday 1/10 Partly cloudy (climatological)
24°21°20%⌄
Day≈21–27°
Night≈18–24°
Precip≈1.2 in / October
(climatological)Typical range for these dates · 1991–2020
Friday 2/10 Partly cloudy (climatological)
27°23°20%⌄
Day≈24–30°
Night≈20–26°
Precip≈1.2 in / October
(climatological)Typical range for these dates · 1991–2020
Saturday 3/10 Rain (climatological)
28°23°2.4 mm⌄
Day≈25–31°
Night≈20–26°
Precip≈1.2 in / October
(climatological)Typical range for these dates · 1991–2020
How does a 30-day outlook work?
The first 14 days are a live model forecast. The back half of the month shows the typical range for those dates — useful for planning, not a literal prediction.
First 14 days: a real forecast, blended from NBM, ECMWF and GFS runs. Trust it most inside three days; by the second week treat it as a lean, not a promise.
Rest of the month: past day 14 we stop pretending to forecast and switch to the climate corridor — the range those dates have produced over three decades computed directly for Hilton Head Island, with mild week-to-week wiggle.
Good question for this page: "Is late August usually humid in Chicago?" Bad question: "Do I need an umbrella on the 29th?" — three weeks out no one knows, and that's the honest answer.