Marion Weather Forecast

    • 49
    • 77

    Rain Showers

    • 49
    • 75

    Thunderstorms

    • 48
    • 74

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 52
    • 78

    Slight Chance Thunderstorms

    • 51
    • 78

    Chance Thunderstorms

    • 51
    • 73

    Chance Thunderstorms

Today 31 Aug Wasatch Back

Sunny in the Morning, then partly sunny with a 50 percent chance of Showers and Thunderstorms in the afternoon. Highs around 80.

Tonight 31 Aug Wasatch Back

Mostly cloudy with numerous rain Showers and scattered Thunderstorms in the Evening, then partly cloudy with scattered rain Showers and isolated Thunderstorms after midnight. Lows in the upper 40s. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marion Temperature Statistics

August Temperature

Salt Lake City, Salt Lake City International Airport (36 miles)

  • Lowest 14 August, 2026

    60.7 °F

  • Average August

    82.8 °F

  • Highest 1 August, 2026

    105.7 °F

Climate (2021–2026)

Salt Lake City, Salt Lake City International Airport (36 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    56.9 °F

  • Average High 2021–2026

    67.5 °F
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