McMillan Weather Forecast
- 59
- 92
Partly Sunny
- 60
- 82
Becoming Sunny
- 64
- 85
Mostly Sunny
- 65
- 86
Chance Thunderstorms
- 62
- 79
Rain Showers Likely
- 59
- 80
Chance Rain Showers
- 58
- 81
Mostly Sunny
Today 27 Jul Marathon
Hot and humid. Partly cloudy with scattered Showers and Thunderstorms. Temperatures in the mid 80s to lower 90s. North wind 10 to 15 Mph. Heat indices to 100.
Tonight 27 Jul Marathon
Cooler. Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the upper 50s. North wind 10 to 15 Mph. Chance of rain 20 percent.
McMillan Temperature Statistics
July Temperature
Marshfield, Marshfield Municipal Airport (6.8 miles)
Lowest 22 July, 2026
46.7 °FAverage July
72.1 °FHighest 15 July, 2026
91.7 °F
Climate (2021–2026)
Marshfield, Marshfield Municipal Airport (6.8 miles)
Average Low 2021–2026
36.6 °FAverage 2021–2026
46 °FAverage High 2021–2026
55.3 °F