Clear Lake Weather Forecast

    • 30
    • 50

    Increasing Clouds

    • 34
    • 51

    Becoming Sunny

    • 34
    • 66

    Mostly Sunny

    • 25
    • 53

    Partly Sunny

    • 23
    • 38

    Rain/Snow Likely

    • 23
    • 35

    Chance Freezing Rain

    • 28
    • 39

    Chance Rain

Today 25 Feb Sangamon

Partly sunny. Near steady temperature in the upper 40s. Northwest Winds 5 to 10 Mph.

Tonight 25 Feb Sangamon

Rain likely. Snow likely with a slight chance of freezing rain after midnight. Little or no snow accumulation. Ice accumulation around a trace. Lows in the upper 20s. Northeast Winds 5 to 10 Mph. Chance of precipitation 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

February Temperature

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

  • Lowest 1 February, 2026

    -2.3 °F

  • Average February

    34.7 °F

  • Highest 18 February, 2026

    68.6 °F

Climate (2021–Present)

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

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

  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    65.3 °F
Get WillyWeather+ to remove ads