Lost Lake Weather Forecast
- 55
- 75
Rain Likely
- 54
- 74
Rain Likely
- 53
- 75
Mostly Cloudy
- 55
- 74
Mostly Cloudy
- 55
- 73
Chance Rain
- 54
- 70
Rain Likely
Today 28 Aug Island County
Mostly cloudy. Highs in the 60s to lower 70s. Light wind becoming southwest to 10 Mph in the afternoon.
Tonight 28 Aug Island County
A chance of Showers in the Evening, then Showers and a slight chance of Thunderstorms after midnight. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. Lows in the lower to mid 50s. West wind 10 to 15 Mph with Gusts to 25 Mph.
Lost Lake Temperature Statistics
August Temperature
Arlington Municipal Airport (14.9 miles)
Lowest 3 August, 2026
46.4 °FAverage August
64.6 °FHighest 25 August, 2026
89.1 °F
Climate (2021–2026)
Arlington Municipal Airport (14.9 miles)
Average Low 2021–2026
42.6 °FAverage 2021–2026
50.9 °FAverage High 2021–2026
59.9 °F