Marion Weather Forecast

    • 49
    • 74

    Slight Chance Thunderstorms

    • 48
    • 76

    Mostly Sunny

    • 49
    • 80

    Sunny

    • 52
    • 80

    Sunny

    • 56
    • 80

    Mostly Sunny

    • 61
    • 83

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

Today 8 May Marion

Mostly sunny with a slight chance of Showers and Thunderstorms. Warmer. Near steady temperature in the lower 70s. North Winds around 10 Mph. Chance of rain 20 percent.

Tonight 8 May Marion

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then clear after midnight. Lows in the upper 40s. Northeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marion Temperature Statistics

May Temperature

Newton, Newton City/County Airport (24.9 miles)

  • Lowest 3 May, 2025

    42.1 °F

  • Average May

    59.5 °F

  • Highest 5 May, 2025

    75 °F

Climate (2020–Present)

Newton, Newton City/County Airport (24.9 miles)

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  • Average Low 2020–2025

    46.5 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    68.5 °F
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