McMillan Weather Forecast

    • 39
    • 52

    Decreasing Clouds

    • 38
    • 69

    Mostly Sunny

    • 54
    • 70

    Mostly Sunny

    • 50
    • 73

    Rain Showers

    • 38
    • 59

    Chance Rain Showers

    • 36
    • 56

    Slight Chance Rain Showers

Today 20 Apr Marathon

Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 50s. Southwest wind 10 to 15 Mph.

Tonight 20 Apr Marathon

Clear. Lows around 20. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McMillan Temperature Statistics

April Temperature

Marshfield, Marshfield Municipal Airport (6.8 miles)

  • Lowest 7 April, 2026

    17.7 °F
  • Average April

    45.3 °F
  • Highest 13 April, 2026

    78.7 °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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