Lost Lake Weather Forecast
- 56
- 78
Rain Showers Likely
- 56
- 78
Partly Sunny
- 56
- 78
Mostly Sunny
- 58
- 80
Mostly Sunny
- 60
- 84
Partly Sunny
- 60
- 85
Partly Sunny
Today 16 Jul Island County
Mostly cloudy. A chance of Showers until late afternoon. A slight chance of Thunderstorms in the afternoon. Showers likely late in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the upper 60s to mid 70s. West wind to 10 Mph becoming southwest around 10 Mph in the afternoon.
Tonight 16 Jul Island County
Mostly cloudy with Showers likely and a slight chance of Thunderstorms in the Evening, then mostly cloudy after midnight. Rainfall Amounts less than a tenth of an inch Likely, except higher Amounts possible in Thunderstorms. Lows in the 50s. Southwest wind to 10 Mph becoming south after midnight.
Lost Lake Temperature Statistics
July Temperature
Arlington Municipal Airport (14.9 miles)
Lowest 13 July, 2026
44.6 °FAverage July
61.5 °FHighest 6 July, 2026
81 °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