Waccamaw River - Old Mill Lake Weather Forecast

    • 60
    • 80

    Becoming Sunny

    • 63
    • 84

    Sunny

    • 51
    • 84

    Slight Chance Thunderstorms

    • 47
    • 63

    Mostly Cloudy

    • 51
    • 68

    Partly Sunny

    • 56
    • 74

    Mostly Sunny

Today 21 Mar Central Horry

Mostly sunny. Highs in the lower 80s. West Winds 5 to 10 Mph.

Tonight 21 Mar Central Horry

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 50s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Waccamaw River - Old Mill Lake Temperature Statistics

March Temperature

Myrtle Beach International Airport (7.5 miles)

  • Lowest 18 March, 2026

    34 °F

  • Average March

    59.6 °F

  • Highest 7 March, 2026

    73 °F

Climate (2021–Present)

Myrtle Beach International Airport (7.5 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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