Myrtle Weather Forecast

    • 67
    • 92

    Chance Rain Showers

    • 63
    • 90

    Mostly Sunny

    • 63
    • 91

    Mostly Sunny

    • 63
    • 94

    Mostly Sunny

    • 61
    • 90

    Mostly Sunny

    • 58
    • 83

    Partly Sunny

Today 20 Aug Oregon

Partly Cloudy, then becoming partly sunny this Morning, then becoming mostly sunny. A slight chance of Showers after Midnight, then a slight chance of Showers and Thunderstorms this morning. Hot with Highs in the lower 90s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 20 Aug Oregon

Mostly clear. Humid with Lows in the mid 60s. Northeast Winds around 5 Mph.

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Myrtle Temperature Statistics

August Temperature

Walnut Ridge Regional Airport (32.3 miles)

  • Lowest 3 August, 2025

    60.1 °F

  • Average August

    80.8 °F

  • Highest 17 August, 2025

    99 °F

Climate (2020–Present)

Walnut Ridge Regional Airport (32.3 miles)

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  • Average Low 2020–2025

    51.6 °F

  • Average 2020–2025

    61 °F

  • Average High 2020–2025

    70.7 °F
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