McMillan Weather Forecast

    • 39
    • 60

    Chance Rain Showers

    • 38
    • 59

    Partly Sunny

    • 40
    • 59

    Mostly Cloudy

    • 43
    • 60

    Chance Rain Showers

    • 47
    • 68

    Chance Rain Showers

    • 53
    • 75

    Slight Chance Thunderstorms

Today 19 May Marathon

Blustery. Cooler. Cloudy. A chance of Showers in the Morning, then a chance of Sprinkles in the afternoon. Highs in the middle 60s. West wind 10 to 15 Mph shifting to the northwest 15 to 25 Mph in the afternoon. Chance of rain 40 percent.

Tonight 19 May Marathon

Colder. Mostly cloudy in the evening then becoming partly cloudy. A chance of Sprinkles in the evening. Lows around 40. Northwest wind 10 to 15 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

    51.1 °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

    36.7 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    55.3 °F
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