Oak Island Park Weather Forecast
- 46
- 72
Mostly Sunny
- 48
- 70
Mostly Cloudy
- 52
- 67
Mostly Cloudy
- 52
- 71
Partly Sunny
- 55
- 69
Rain Showers Likely
- 51
- 68
Chance Rain Showers
Today 25 Sep Marathon
Mostly sunny. Highs in the lower 70s. Light and variable wind becoming southeast 5 to 10 Mph in the afternoon.
Tonight 25 Sep Marathon
Mostly clear. Lows in the middle 40s. Light and variable wind.
Oak Island Park Temperature Statistics
September Temperature
Wausau Downtown Airport (1.2 miles)
Lowest 14 September, 2026
40.6 °FAverage September
64.4 °FHighest 1 September, 2026
89.7 °F
Climate (2021–2026)
Wausau Downtown Airport (1.2 miles)
Average Low 2021–2026
37.4 °FAverage 2021–2026
46.8 °FAverage High 2021–2026
56 °F