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.
McMillan Temperature Statistics
April Temperature
Marshfield, Marshfield Municipal Airport (6.8 miles)
Lowest 7 April, 2026
17.7 °FAverage April
45.3 °FHighest 13 April, 2026
78.7 °F
Climate (2021–Present)
Marshfield, Marshfield Municipal Airport (6.8 miles)
Average Low 2021–2026
36.7 °FAverage 2021–2026
46 °FAverage High 2021–2026
55.2 °F