Marion County Lake Weather Forecast

    • 69
    • 86

    Chance Thunderstorms

    • 59
    • 91

    Rain Showers

    • 58
    • 74

    Slight Chance Thunderstorms

    • 59
    • 80

    Partly Sunny

    • 66
    • 85

    Slight Chance Thunderstorms

    • 71
    • 95

    Slight Chance Thunderstorms

Today 12 Jun Marion

Sunny. Highs in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 12 Jun Marion

Clear. Much cooler with Lows in the upper 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marion County Lake Temperature Statistics

June Temperature

Newton, Newton City/County Airport (24.2 miles)

  • Lowest 1 June, 2026

    66 °F

  • Average June

    76.2 °F

  • Highest 5 June, 2026

    90 °F

Climate (2021–Present)

Newton, Newton City/County Airport (24.2 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    69.3 °F
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