Marietta Weather Forecast

    • 74
    • 101

    Isolated Thunderstorms

    • 75
    • 100

    Hot

    • 76
    • 98

    Hot

    • 77
    • 99

    Hot

    • 77
    • 100

    Hot

    • 77
    • 100

    Hot

    • 77
    • 100

    Hot

Today 8 Aug Love

Sunny with a slight chance of Showers and Thunderstorms. Hot with Highs around 102. South Winds 5 to 10 Mph. Chance of rain 10 percent.

Tonight 8 Aug Love

Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph. Heat index Values up to 105 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marietta Temperature Statistics

August Temperature

Ardmore, Ardmore Downtown Executive Airport (14.3 miles)

  • Lowest 3 August, 2026

    64.6 °F
  • Average August

    84.7 °F
  • Highest 4 August, 2026

    100.8 °F

Climate (2021–2026)

Ardmore, Ardmore Downtown Executive Airport (14.3 miles)

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  • Average Low 2021–2026

    53.3 °F
  • Average 2021–2026

    64.6 °F
  • Average High 2021–2026

    76.7 °F
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