Clear Lake Weather Forecast

    • 60
    • 83

    Slight Chance Thunderstorms

    • 59
    • 83

    Slight Chance Thunderstorms

    • 57
    • 77

    Chance Rain Showers

    • 55
    • 68

    Chance Rain Showers

    • 52
    • 66

    Chance Rain Showers

    • 54
    • 68

    Chance Rain Showers

    • 55
    • 71

    Mostly Cloudy

Today 15 Sep South Cass

Sunny with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature around 80. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 15 Sep South Cass

Mostly clear. Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

Pine River Regional Airport (4.3 miles)

  • Lowest 7 September, 2025

    33.8 °F

  • Average September

    57.4 °F

  • Highest 13 September, 2025

    80.6 °F

Climate (2020–Present)

Pine River Regional Airport (4.3 miles)

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

  • Average Low 2020–2025

    32.6 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    52.3 °F
Get WillyWeather+ to remove ads