Lost Lake Weather Forecast
- 56
- 79
Increasing Clouds
- 56
- 80
Partly Sunny
- 57
- 81
Mostly Sunny
- 56
- 80
Partly Sunny
- 55
- 77
Partly Sunny
- 55
- 76
Partly Sunny
- 55
- 77
Mostly Sunny
Today 21 Jul Island County
Mostly sunny. Highs in the upper 60s to mid 70s. Light wind.
Tonight 21 Jul Island County
Partly cloudy. Lows in the 50s. West wind to 10 Mph becoming southwest after midnight.
Lost Lake Temperature Statistics
July Temperature
Arlington Municipal Airport (14.9 miles)
Lowest 4 July, 2025
46 °FAverage July
64.9 °FHighest 16 July, 2025
91 °F
Climate (2020–Present)
Arlington Municipal Airport (14.9 miles)
Average Low 2020–2025
42.3 °FAverage 2020–2025
50.5 °FAverage High 2020–2025
59.7 °F