McMillan Weather Forecast

    • 51
    • 77

    Chance Thunderstorms

    • 50
    • 77

    Mostly Sunny

    • 57
    • 79

    Rain Showers Likely

    • 55
    • 79

    Chance Thunderstorms

    • 51
    • 75

    Mostly Sunny

    • 51
    • 75

    Partly Sunny

Today 18 Aug Marathon

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 70s. West wind 5 to 10 Mph. Chance of rain 40 percent.

Tonight 18 Aug Marathon

Cooler. Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows around 50. Northwest wind 5 to 10 Mph in the evening becoming light and variable. Chance of rain 20 percent.

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  • Temperature Real-Time

McMillan Temperature Statistics

August Temperature

Marshfield, Marshfield Municipal Airport (6.8 miles)

  • Lowest 6 August, 2026

    51.7 °F

  • Average August

    71 °F

  • Highest 1 August, 2026

    85.6 °F

Climate (2021–2026)

Marshfield, Marshfield Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    36.7 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    55.3 °F
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