Custer Weather Forecast
- 61
- 72
Mostly Cloudy
- 43
- 67
Chance Rain Showers
- 39
- 63
Mostly Sunny
- 44
- 62
Slight Chance Rain Showers
- 35
- 62
Mostly Sunny
- 38
- 59
Mostly Sunny
Today 30 Sep Portage
Mostly cloudy. A slight chance of Showers in the morning. Patchy fog in the morning. Highs in the lower 70s. Southwest wind 5 to 10 Mph. Chance of rain 20 percent.
Tonight 30 Sep Portage
Cloudy. Lows around 60. Light and variable wind.
Custer Temperature Statistics
September Temperature
Stevens Point Municipal Airport (5.6 miles)
Lowest 14 September, 2026
38.8 °FAverage September
64.1 °FHighest 1 September, 2026
90.7 °F
Climate (2021–2026)
Stevens Point Municipal Airport (5.6 miles)
Average Low 2021–2026
36.7 °FAverage 2021–2026
46.9 °FAverage High 2021–2026
56.3 °F