McMillan Weather Forecast

    • 30
    • 37

    Rain/Snow

    • 21
    • 33

    Mostly Cloudy

    • 18
    • 28

    Snow Likely

    • 16
    • 24

    Partly Sunny

    • 25
    • 33

    Mostly Cloudy

    • 19
    • 35

    Chance Rain/Snow

    • 8
    • 24

    Mostly Cloudy

Today 8 Jan Marathon

Light rain likely. Patchy fog. Nearly steady temperature in the upper 30s. Light and variable wind. Chance of rain 70 percent.

Tonight 8 Jan Marathon

Rain in the Evening, then rain and light snow after midnight. Snow accumulation up to 2 Inches. Nearly steady temperature in the mid 30s. North wind 10 to 15 Mph. Chance of precipitation near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McMillan Temperature Statistics

January Temperature

Marshfield, Marshfield Municipal Airport (6.8 miles)

  • Lowest 1 January, 2026

    0 °F

  • Average January

    16.1 °F

  • Highest 6 January, 2026

    33.1 °F

Climate (2021–Present)

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

    55.2 °F
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