Lost Lake Weather Forecast

    • 54
    • 81

    Mostly Sunny

    • 57
    • 86

    Increasing Clouds

    • 57
    • 87

    Partly Sunny

    • 58
    • 84

    Chance Rain

    • 58
    • 80

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

Today 13 Jul Island County

Sunny. Highs in the upper 60s to mid 70s. West wind to 10 Mph becoming northwest in the afternoon.

Tonight 13 Jul Island County

Mostly clear. Lows in the lower to mid 50s. Northwest wind 10 to 15 Mph becoming west after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

July Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 5 July, 2026

    46.4 °F

  • Average July

    61.5 °F

  • Highest 6 July, 2026

    81 °F

Climate (2021–2026)

Arlington Municipal Airport (14.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads