Intracoastal Waterway - North Myrtle Beach Weather Forecast
- 61
- 84
Partly Sunny
- 61
- 75
Partly Sunny
- 65
- 79
Partly Sunny
- 67
- 83
Partly Sunny
- 67
- 85
Mostly Sunny
- 68
- 83
Partly Sunny
- 69
- 81
Chance Rain Showers
Today 15 Sep Coastal Horry
Mostly sunny. Near steady temperature in the upper 70s. North Winds 10 to 15 Mph.
Tonight 15 Sep Coastal Horry
Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 60s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.
Intracoastal Waterway - North Myrtle Beach Temperature Statistics
September Temperature
North Myrtle Beach Grand Strand Airport (6.2 miles)
Lowest 1 September, 2025
59 °FAverage September
72.9 °FHighest 7 September, 2025
84.9 °F
Climate (2020–Present)
North Myrtle Beach Grand Strand Airport (6.2 miles)
Average Low 2020–2025
56.9 °FAverage 2020–2025
65.1 °FAverage High 2020–2025
73.4 °F