Rib Mountain State Park Weather Forecast
- 53
- 71
Chance Rain Showers
- 51
- 73
Mostly Cloudy
- 52
- 62
Rain Showers
- 50
- 66
Chance Rain Showers
- 49
- 67
Chance Rain Showers
- 49
- 66
Chance Rain Showers
Today 16 Sep Marathon
Mostly sunny. Highs in the lower 70s. Light and variable wind.
Tonight 16 Sep Marathon
Mostly cloudy with a chance of Showers. Patchy fog after midnight. Lows in the lower 50s. Light and variable wind. Chance of rain 40 percent.
Rib Mountain State Park Temperature Statistics
September Temperature
Wausau Downtown Airport (3.1 miles)
Lowest 14 September, 2026
39.9 °FAverage September
68.5 °FHighest 1 September, 2026
89.7 °F
Climate (2021–2026)
Wausau Downtown Airport (3.1 miles)
Average Low 2021–2026
37.4 °FAverage 2021–2026
46.8 °FAverage High 2021–2026
56 °F