Lost Lake Weather Forecast
- 47
- 61
Mostly Cloudy
- 44
- 62
Mostly Sunny
- 43
- 63
Mostly Sunny
- 44
- 65
Mostly Sunny
- 45
- 65
Mostly Sunny
- 47
- 65
Partly Sunny
- 47
- 65
Mostly Sunny
Today 22 Apr Island County
Cloudy with rain likely in the Morning, then mostly cloudy with a slight chance of rain in the late morning and early afternoon. Mostly sunny late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch possible. Highs in the mid 50s to lower 60s. West wind 10 to 15 Mph becoming southwest in the afternoon.
Tonight 22 Apr Island County
Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid to upper 40s. South wind 10 to 15 Mph with Gusts to 25 Mph.
Lost Lake Temperature Statistics
April Temperature
Arlington Municipal Airport (14.9 miles)
Lowest 8 April, 2026
30 °FAverage April
49 °FHighest 19 April, 2026
73 °F
Climate (2021–Present)
Arlington Municipal Airport (14.9 miles)
Average Low 2021–2026
42.6 °FAverage 2021–2026
50.8 °FAverage High 2021–2026
59.9 °F