Myrtle Weather Forecast

    • 72
    • 96

    Mostly Sunny

    • 71
    • 94

    Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

    • 71
    • 94

    Mostly Sunny

    • 70
    • 95

    Mostly Sunny

    • 71
    • 95

    Mostly Sunny

    • 70
    • 95

    Slight Chance Thunderstorms

Today 10 Sep Union

Sunny. Near steady temperature in the mid 90s. South Winds around 5 Mph.

Tonight 10 Sep Union

Mostly clear. Lows in the lower 70s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Myrtle Temperature Statistics

September Temperature

Oxford, University-Oxford Airport (26.1 miles)

  • Lowest 2 September, 2026

    71.6 °F

  • Average September

    84.3 °F

  • Highest 4 September, 2026

    100.4 °F

Climate (2021–2026)

Oxford, University-Oxford Airport (26.1 miles)

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  • Average Low 2021–2026

    52.6 °F

  • Average 2021–2026

    62.6 °F

  • Average High 2021–2026

    74 °F
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