Intracoastal Waterway - Myrtle Beach Weather Forecast
- 78
- 93
Slight Chance Thunderstorms
- 79
- 95
Slight Chance Thunderstorms
- 78
- 96
Chance Thunderstorms
- 76
- 93
Thunderstorms Likely
- 74
- 87
Chance Rain
- 74
- 88
Chance Thunderstorms
Today 18 Jul Coastal Horry
Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 105.
Tonight 18 Jul Coastal Horry
Mostly clear. Humid with Lows in the upper 70s. Southwest Winds 10 to 15 Mph.
Intracoastal Waterway - Myrtle Beach Temperature Statistics
July Temperature
Myrtle Beach International Airport (1.9 miles)
Lowest 11 July, 2025
73 °FAverage July
80.8 °FHighest 7 July, 2025
88 °F
Climate (2020–Present)
Myrtle Beach International Airport (1.9 miles)
Average Low 2020–2025
58.4 °FAverage 2020–2025
65.7 °FAverage High 2020–2025
72.9 °F