Myrtle Beach (Grande Dunes Blvd) Weather Forecast

    • 69
    • 82

    Partly Sunny

    • 68
    • 83

    Mostly Sunny

    • 68
    • 83

    Mostly Sunny

    • 68
    • 82

    Slight Chance Thunderstorms

    • 69
    • 82

    Slight Chance Thunderstorms

    • 70
    • 83

    Slight Chance Thunderstorms

Today 18 Sep Coastal Horry

Mostly sunny. Highs in the lower 80s. Northwest Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 18 Sep Coastal Horry

Partly cloudy. Near steady temperature in the upper 60s. West Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Myrtle Beach (Grande Dunes Blvd) Temperature Statistics

September Temperature

North Myrtle Beach Grand Strand Airport (6.2 miles)

  • Lowest 1 September, 2025

    59 °F

  • Average September

    72.5 °F

  • Highest 7 September, 2025

    84.9 °F

Climate (2020–Present)

North Myrtle Beach Grand Strand Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    56.9 °F

  • Average 2020–2025

    65.1 °F

  • Average High 2020–2025

    73.4 °F
Get WillyWeather+ to remove ads