Lost Lake Weather Forecast

    • 49
    • 66

    Increasing Clouds

    • 48
    • 66

    Increasing Clouds

    • 54
    • 68

    Mostly Cloudy

    • 54
    • 68

    Rain Likely

    • 52
    • 64

    Mostly Cloudy

    • 51
    • 65

    Mostly Cloudy

    • 50
    • 64

    Partly Sunny

Today 26 Sep Island County

Mostly sunny. Highs in the lower to mid 60s.

Tonight 26 Sep Island County

Mostly cloudy. Lows in the mid 40s to lower 50s. Northwest wind to 10 Mph increasing to 10 to 15 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lost Lake Temperature Statistics

September Temperature

Arlington Municipal Airport (14.9 miles)

  • Lowest 24 September, 2026

    43 °F

  • Average September

    58.7 °F

  • Highest 9 September, 2026

    78.1 °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