Myrtle Beach (31st Ave) Weather Forecast
- 73
- 78
Slight Chance Rain Showers
- 74
- 77
Chance Rain Showers
- 74
- 78
Chance Thunderstorms
- 74
- 78
Chance Thunderstorms
- 75
- 78
Slight Chance Thunderstorms
- 74
- 79
Chance Thunderstorms
Today 21 May Coastal Horry
Sunny. Near steady temperature in the lower 80s. South Winds 10 to 15 Mph.
Tonight 21 May Coastal Horry
Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the lower 70s. South Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 20 percent.
Myrtle Beach (31st Ave) Temperature Statistics
May Temperature
Myrtle Beach International Airport (4.3 miles)
Lowest 15 May, 2026
51.1 °FAverage May
68.2 °FHighest 11 May, 2026
84.9 °F
Climate (2021–Present)
Myrtle Beach International Airport (4.3 miles)
Average Low 2021–2026
58.1 °FAverage 2021–2026
65.5 °FAverage High 2021–2026
72.7 °F