Myrtle Beach (Grande Dunes Blvd) Weather Forecast
- 65
- 81
Partly Sunny
- 63
- 78
Chance Rain Showers
- 64
- 77
Slight Chance Rain Showers
- 66
- 82
Mostly Sunny
- 68
- 83
Partly Sunny
- 69
- 83
Partly Sunny
Today 14 Sep Coastal Horry
Partly sunny. Highs in the lower 80s. North Winds 10 to 15 Mph.
Tonight 14 Sep Coastal Horry
Mostly cloudy. Lows in the lower 60s. North Winds 5 to 10 Mph with Gusts up to 20 Mph.
Myrtle Beach (Grande Dunes Blvd) Temperature Statistics
September Temperature
North Myrtle Beach Grand Strand Airport (6.2 miles)
Lowest 1 September, 2025
59 °FAverage September
73.1 °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