Waccamaw River - Old Mill Lake Weather Forecast

    • 74
    • 89

    Chance Thunderstorms

    • 74
    • 90

    Chance Thunderstorms

    • 74
    • 88

    Slight Chance Thunderstorms

    • 75
    • 90

    Chance Thunderstorms

    • 76
    • 92

    Chance Thunderstorms

    • 77
    • 94

    Partly Sunny

Today 6 Aug Central Horry

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 6 Aug Central Horry

Partly cloudy. Near steady temperature in the mid 70s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waccamaw River - Old Mill Lake Temperature Statistics

August Temperature

Myrtle Beach International Airport (7.5 miles)

  • Lowest 2 August, 2026

    75 °F

  • Average August

    81.6 °F

  • Highest 1 August, 2026

    87.1 °F

Climate (2021–2026)

Myrtle Beach International Airport (7.5 miles)

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  • Average Low 2021–2026

    58.2 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    72.8 °F
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