Myrtle Weather Forecast

    • 77
    • 96

    Mostly Sunny

    • 75
    • 98

    Hot

    • 75
    • 99

    Hot

    • 77
    • 100

    Hot

    • 75
    • 99

    Hot

    • 74
    • 96

    Slight Chance Thunderstorms

    • 75
    • 97

    Slight Chance Thunderstorms

Today 13 Aug Union

Sunny. Near steady temperature in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 107.

Tonight 13 Aug Union

Mostly clear. Lows in the upper 70s. South Winds around 5 Mph. Heat index Values up to 105 early through the evening.

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Myrtle Temperature Statistics

August Temperature

Oxford, University-Oxford Airport (26.1 miles)

  • Lowest 4 August, 2026

    64.4 °F

  • Average August

    79.3 °F

  • Highest 6 August, 2026

    95 °F

Climate (2021–2026)

Oxford, University-Oxford Airport (26.1 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    62.5 °F

  • Average High 2021–2026

    73.8 °F
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