Waccamaw River - Old Mill Lake Weather Forecast

    • 75
    • 89

    Chance Thunderstorms

    • 75
    • 89

    Thunderstorms Likely

    • 76
    • 93

    Slight Chance Thunderstorms

    • 79
    • 96

    Mostly Sunny

    • 78
    • 98

    Slight Chance Thunderstorms

    • 77
    • 96

    Slight Chance Thunderstorms

Today 23 Jul Central Horry

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs around 90. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 23 Jul Central Horry

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows in the mid 70s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waccamaw River - Old Mill Lake Temperature Statistics

July Temperature

Myrtle Beach International Airport (7.5 miles)

  • Lowest 11 July, 2025

    73 °F

  • Average July

    82 °F

  • Highest 20 July, 2025

    96.1 °F

Climate (2020–Present)

Myrtle Beach International Airport (7.5 miles)

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  • Average Low 2020–2025

    58.4 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    72.9 °F
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