McMillan Weather Forecast

    • 63
    • 88

    Increasing Clouds

    • 61
    • 83

    Partly Sunny

    • 63
    • 82

    Chance Thunderstorms

    • 63
    • 83

    Chance Rain Showers

    • 61
    • 81

    Chance Rain Showers

    • 59
    • 80

    Chance Rain Showers

Today 1 Sep Marathon

Humid. Partly cloudy. Areas of fog in the morning. Highs in the middle 80s. Light and variable wind becoming west 5 to 10 Mph in the afternoon.

Tonight 1 Sep Marathon

Partly cloudy. Patchy fog. Lows in the lower 60s. Light and variable wind.

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McMillan Temperature Statistics

September Temperature

Marshfield, Marshfield Municipal Airport (6.8 miles)

  • Lowest

  • Average September

  • Highest

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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