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.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Myrtle Beach (31st Ave) Temperature Statistics

May Temperature

Myrtle Beach International Airport (4.3 miles)

  • Lowest 15 May, 2026

    51.1 °F
  • Average May

    68.2 °F
  • Highest 11 May, 2026

    84.9 °F

Climate (2021–Present)

Myrtle Beach International Airport (4.3 miles)

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  • Average Low 2021–2026

    58.1 °F
  • Average 2021–2026

    65.5 °F
  • Average High 2021–2026

    72.7 °F
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