EN
English Español

As of 15:23 EDT

Weather in Sullivan's Island, SC

87°Current weather

Sullivan's Island, Sunday, 9 August, 15:23

Overcast. Feels like 100°. High 88°, low 75°.

Pressure30.12 inHg
Wind4 mph SW
Humidity76%
Visibility6.2 mi
Dew point78°

10-day forecast for Sullivan's Island, SC: 72° to 94°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.

94°
Best day: Monday, August 17
88° · 0.2 in
Worst day: Sunday, August 9

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1091° / 72°0.05Light rain
MorningOvercast74°feels 75°
AfternoonOvercast89°feels 101°
EveningLight rain84°feels 92°
OvernightOvercast76°feels 77°
91 °Light rain

Sullivan's Island, Monday, 10 August

Light rain. High 91°, low 72°.

Pressure30.12 inHg
Wind9.1 mph SW
Humidity61%
Visibility6.2 mi
Dew point72°
Tue, 1191° / 80°0.11Light rain
MorningOvercast81°feels 86°
AfternoonClear91°feels 102°
EveningLight rain87°feels 97°
OvernightLight rain81°feels 86°
91 °Light rain

Sullivan's Island, Tuesday, 11 August

Light rain. High 91°, low 80°.

Pressure30.03 inHg
Wind7.9 mph SW
Humidity57%
Visibility6.2 mi
Dew point72°
Wed, 1293° / 80°0.01Light rain
MorningClear80°feels 84°
AfternoonClear93°feels 103°
EveningMostly clear89°feels 100°
OvernightPartly cloudy84°feels 94°
93 °Light rain

Sullivan's Island, Wednesday, 12 August

Light rain. High 93°, low 80°.

Pressure29.91 inHg
Wind9.8 mph SW
Humidity56%
Visibility6.2 mi
Dew point73°
Thu, 1393° / 81°0.08Light rain
MorningOvercast81°feels 86°
AfternoonPartly cloudy93°feels 105°
EveningLight rain87°feels 99°
OvernightOvercast84°feels 90°
93 °Light rain

Sullivan's Island, Thursday, 13 August

Light rain. High 93°, low 81°.

Pressure29.94 inHg
Wind3.1 mph SW
Humidity60%
Visibility6.2 mi
Dew point75°
Fri, 1489° / 81°0.02Light rain
MorningLight rain83°feels 91°
AfternoonLight rain88°feels 100°
EveningLight rain85°feels 96°
OvernightLight rain84°feels 94°
89 °Light rain

Sullivan's Island, Friday, 14 August

Light rain. High 89°, low 81°.

Pressure30.06 inHg
Wind17.9 mph SW
Humidity67%
Visibility—
Dew point75°
Sat, 1589° / 80°0.19Light rain
MorningLight rain85°feels 94°
AfternoonLight rain88°feels 100°
EveningLight rain84°feels 92°
OvernightLight rain80°feels 82°
89 °Light rain

Sullivan's Island, Saturday, 15 August

Light rain. High 89°, low 80°.

Pressure30.12 inHg
Wind13.5 mph S
Humidity68%
Visibility—
Dew point76°
Sun, 1688° / 81°0.01Light rain
MorningLight rain83°feels 91°
AfternoonLight rain88°feels 100°
EveningLight rain85°feels 97°
OvernightLight rain84°feels 93°
88 °Light rain

Sullivan's Island, Sunday, 16 August

Light rain. High 88°, low 81°.

Pressure30.06 inHg
Wind15.7 mph S
Humidity69%
Visibility—
Dew point76°
Mon, 1794° / 82°0.01Light rain
MorningLight rain86°feels 94°
AfternoonLight rain93°feels 106°
EveningLight rain87°feels 100°
OvernightLight rain86°feels 97°
94 °Light rain

Sullivan's Island, Monday, 17 August

Light rain. High 94°, low 82°.

Pressure29.94 inHg
Wind10.4 mph S
Humidity56%
Visibility—
Dew point75°
Tue, 1887° / 84°0Light rain
MorningLight rain85°feels 98°
AfternoonLight rain86°feels 98°
EveningLight rain84°feels 96°
OvernightLight rain84°feels 96°
87 °Light rain

Sullivan's Island, Tuesday, 18 August

Light rain. High 87°, low 84°.

Pressure30.03 inHg
Wind13.9 mph E
Humidity81%
Visibility—
Dew point80°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Sullivan's Island, SC around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.