Intracoastal Waterway - William Island Weather Forecast
- 75
- 85
Rain Showers Likely
- 76
- 87
Chance Thunderstorms
- 77
- 88
Chance Thunderstorms
- 75
- 88
Chance Thunderstorms
- 76
- 88
Chance Thunderstorms
- 76
- 87
Chance Thunderstorms
Today 4 Aug Coastal Horry
Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly in the morning. Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 4 Aug Coastal Horry
Showers likely with a chance of Thunderstorms. Near steady temperature in the mid 70s. South Winds around 5 Mph. Chance of rain 70 percent.
Intracoastal Waterway - William Island Temperature Statistics
August Temperature
North Myrtle Beach Grand Strand Airport (3.7 miles)
Lowest 1 August, 2026
82 °FAverage August
84.4 °FHighest 1 August, 2026
87.1 °F
Climate (2021–2026)
North Myrtle Beach Grand Strand Airport (3.7 miles)
Average Low 2021–2026
56.7 °FAverage 2021–2026
65.1 °FAverage High 2021–2026
73.6 °F