Marion County Lake Weather Forecast

    • 62
    • 79

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

    • 63
    • 79

    Partly Sunny

    • 55
    • 80

    Chance Rain Showers

    • 46
    • 74

    Slight Chance Rain Showers

    • 53
    • 68

    Sunny

    • 56
    • 78

    Mostly Sunny

Today 14 Oct Marion

Mostly sunny with a 20 percent chance of Showers. Warmer. Near steady temperature in the mid 70s. South Winds 5 to 10 Mph.

Tonight 14 Oct Marion

Mostly clear. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marion County Lake Temperature Statistics

October Temperature

Newton, Newton City/County Airport (24.2 miles)

  • Lowest 8 October, 2025

    51.1 °F

  • Average October

    69.3 °F

  • Highest 2 October, 2025

    86 °F

Climate (2020–Present)

Newton, Newton City/County Airport (24.2 miles)

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  • Average Low 2020–2025

    46.6 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    68.4 °F
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