Myrtle Beach Weather Forecast

    • 67
    • 83

    Chance Thunderstorms

    • 67
    • 79

    Mostly Cloudy

    • 68
    • 77

    Chance Thunderstorms

    • 67
    • 78

    Slight Chance Thunderstorms

    • 67
    • 80

    Mostly Cloudy

    • 67
    • 80

    Partly Sunny

Today 7 Sep Coastal Horry

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. East Winds around 5 Mph. Chance of rain 50 percent.

Tonight 7 Sep Coastal Horry

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a slight chance of Showers after midnight. Lows in the mid 60s. Northeast Winds 10 to 15 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Myrtle Beach Temperature Statistics

September Temperature

Myrtle Beach International Airport (1.9 miles)

  • Lowest 1 September, 2025

    62.1 °F
  • Average September

    74.6 °F
  • Highest 5 September, 2025

    84.9 °F

Climate (2020–Present)

Myrtle Beach International Airport (1.9 miles)

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  • Average Low 2020–2025

    58.3 °F
  • Average 2020–2025

    65.6 °F
  • Average High 2020–2025

    72.8 °F
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