Marathon Lake Weather Forecast
- 47
- 82
Sunny
- 45
- 78
Sunny
- 46
- 77
Mostly Sunny
- 45
- 77
Partly Sunny
- 44
- 79
Partly Sunny
- 44
- 79
Mostly Sunny
Today 23 Oct Smith
Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.
Tonight 23 Oct Smith
Clear. Lows in the upper 40s. East Winds around 5 Mph.
Marathon Lake Temperature Statistics
October Temperature
Meridian, Key Field (36.7 miles)
Lowest 19 October, 2026
39.9 °FAverage October
71.4 °FHighest 1 October, 2026
93.7 °F
Climate (2021–2026)
Meridian, Key Field (36.7 miles)
Average Low 2021–2026
55.7 °FAverage 2021–2026
66.6 °FAverage High 2021–2026
79 °F