Clear Lake Weather Forecast

    • 52
    • 74

    Clearing Late

    • 56
    • 78

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 56
    • 79

    Mostly Cloudy

    • 55
    • 74

    Chance Rain Showers

    • 55
    • 74

    Chance Rain Showers

Today 27 Oct Sangamon

Mostly cloudy. Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 27 Oct Sangamon

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 50s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

October Temperature

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

  • Lowest 17 October, 2026

    37.7 °F

  • Average October

    62.8 °F

  • Highest 13 October, 2026

    92.6 °F

Climate (2021–2026)

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

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

  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    65.8 °F
Get WillyWeather+ to remove ads