McMillan Weather Forecast

    • 58
    • 80

    Chance Rain Showers

    • 58
    • 87

    Chance Thunderstorms

    • 53
    • 84

    Chance Thunderstorms

    • 52
    • 81

    Partly Sunny

    • 51
    • 78

    Partly Sunny

    • 50
    • 76

    Partly Sunny

Today 25 May Marathon

Partly sunny with a chance of Showers. Highs in the lower 80s. Southwest wind 10 to 15 Mph. Chance of rain 30 percent.

Tonight 25 May Marathon

Mostly clear. Lows around 60. Southwest wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McMillan Temperature Statistics

May Temperature

Marshfield, Marshfield Municipal Airport (6.8 miles)

  • Lowest 10 May, 2026

    30.7 °F

  • Average May

    52.2 °F

  • Highest 15 May, 2026

    83.6 °F

Climate (2021–Present)

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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