McMillan Weather Forecast

    • 68
    • 91

    Sunny

    • 69
    • 92

    Mostly Sunny

    • 65
    • 91

    Mostly Sunny

    • 67
    • 89

    Slight Chance Thunderstorms

    • 65
    • 88

    Chance Rain Showers

    • 60
    • 83

    Slight Chance Thunderstorms

    • 59
    • 81

    Partly Sunny

Today 13 Jul Marathon

Hot and humid. Sunny. Temperatures in the lower 90s. West wind 10 to 15 Mph. Heat indices to 99.

Tonight 13 Jul Marathon

Muggy. Clear. Lows in the upper 60s. West wind 5 to 10 Mph. Highest heat index Readings to 99 in the evening.

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McMillan Temperature Statistics

July Temperature

Marshfield, Marshfield Municipal Airport (6.8 miles)

  • Lowest 6 July, 2026

    59.6 °F

  • Average July

    72.8 °F

  • Highest 11 July, 2026

    84.9 °F

Climate (2021–2026)

Marshfield, Marshfield Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    36.6 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    55.3 °F
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