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As of 10:48 EDT

Weather in Harbor Island, SC

85°Current weather

Harbor Island, Sunday, 9 August, 10:48

Heavy rain. Feels like 96°. High 87°, low 75°.

Pressure30.15 inHg
Wind2.6 mph S
Humidity77%
Visibility6.2 mi
Dew point77°

10-day forecast for Harbor Island, SC: 75° to 95°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.

95°
Best day: Wednesday, August 12
89° · 1.2 in
Worst day: Tuesday, August 18

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

Mon, 1091° / 78°0.07Rain
MorningClear79°feels 79°
AfternoonPartly cloudy90°feels 98°
EveningRain81°feels 87°
OvernightPartly cloudy79°feels 80°
91 °Rain

Harbor Island, Monday, 10 August

Rain. High 91°, low 78°.

Pressure30.15 inHg
Wind7.9 mph SW
Humidity58%
Visibility6.2 mi
Dew point72°
Tue, 1194° / 79°0.07Light rain
MorningMostly clear80°feels 84°
AfternoonClear93°feels 102°
EveningOvercast87°feels 98°
OvernightLight rain82°feels 89°
94 °Light rain

Harbor Island, Tuesday, 11 August

Light rain. High 94°, low 79°.

Pressure30.06 inHg
Wind7.2 mph W
Humidity55%
Visibility6.2 mi
Dew point72°
Wed, 1295° / 79°0.02Light rain
MorningMostly clear80°feels 84°
AfternoonMostly clear95°feels 104°
EveningOvercast88°feels 99°
OvernightLight rain83°feels 91°
95 °Light rain

Harbor Island, Wednesday, 12 August

Light rain. High 95°, low 79°.

Pressure29.94 inHg
Wind10.4 mph W
Humidity54%
Visibility6.2 mi
Dew point73°
Thu, 1394° / 77°0.06Light rain
MorningPartly cloudy79°feels 79°
AfternoonLight rain93°feels 103°
EveningLight rain85°feels 98°
OvernightLight rain79°feels 79°
94 °Light rain

Harbor Island, Thursday, 13 August

Light rain. High 94°, low 77°.

Pressure29.94 inHg
Wind15.9 mph S
Humidity51%
Visibility—
Dew point71°
Fri, 1491° / 80°0Overcast
MorningOvercast83°feels 90°
AfternoonOvercast90°feels 101°
EveningOvercast85°feels 96°
OvernightOvercast83°feels 91°
91 °Overcast

Harbor Island, Friday, 14 August

Overcast. High 91°, low 80°.

Pressure30.06 inHg
Wind16 mph S
Humidity58%
Visibility—
Dew point73°
Sat, 1589° / 81°0.41Rain
MorningRain83°feels 90°
AfternoonRain87°feels 97°
EveningRain83°feels 91°
OvernightRain81°feels 87°
89 °Rain

Harbor Island, Saturday, 15 August

Rain. High 89°, low 81°.

Pressure30.12 inHg
Wind11.2 mph E
Humidity66%
Visibility—
Dew point74°
Sun, 1686° / 77°0.23Rain
MorningRain80°feels 84°
AfternoonRain86°feels 94°
EveningRain82°feels 89°
OvernightRain81°feels 85°
86 °Rain

Harbor Island, Sunday, 16 August

Rain. High 86°, low 77°.

Pressure30.12 inHg
Wind14.1 mph SE
Humidity69%
Visibility—
Dew point74°
Mon, 1787° / 80°0.02Light rain
MorningLight rain83°feels 91°
AfternoonLight rain86°feels 97°
EveningLight rain83°feels 92°
OvernightLight rain83°feels 92°
87 °Light rain

Harbor Island, Monday, 17 August

Light rain. High 87°, low 80°.

Pressure30.00 inHg
Wind19.7 mph SW
Humidity73%
Visibility—
Dew point76°
Tue, 1889° / 75°1.2Rain
MorningRain83°feels 91°
AfternoonRain88°feels 97°
EveningRain81°feels 85°
OvernightRain77°feels 80°
89 °Rain

Harbor Island, Tuesday, 18 August

Rain. High 89°, low 75°.

Pressure29.91 inHg
Wind18.6 mph S
Humidity62%
Visibility—
Dew point74°

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 Harbor 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.