Marion Weather Forecast

    • 66
    • 83

    Mostly Cloudy

    • 69
    • 88

    Partly Sunny

    • 72
    • 91

    Partly Sunny

    • 73
    • 93

    Partly Sunny

    • 71
    • 92

    Slight Chance Thunderstorms

    • 69
    • 90

    Slight Chance Thunderstorms

Today 29 Aug Grant

Mostly sunny in the Morning, then becoming partly cloudy. Highs in the lower 80s. South Winds around 5 Mph.

Tonight 29 Aug Grant

Partly cloudy. Lows in the mid 60s. South Winds around 5 Mph.

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Marion Temperature Statistics

August Temperature

Marion Municipal Airport (4.3 miles)

  • Lowest 25 August, 2026

    49.1 °F

  • Average August

    70.1 °F

  • Highest 10 August, 2026

    85.5 °F

Climate (2021–2026)

Marion Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.7 °F
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