Clear Lake Weather Forecast

    • 70
    • 83

    Rain Showers

    • 72
    • 89

    Slight Chance Thunderstorms

    • 72
    • 93

    Rain Showers Likely

    • 67
    • 90

    Thunderstorms Likely

    • 66
    • 88

    Chance Rain Showers

    • 66
    • 87

    Chance Thunderstorms

Today 8 Jun Sangamon

A chance of Thunderstorms. Showers. Some Thunderstorms may produce heavy rainfall. Highs in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 80 percent.

Tonight 8 Jun Sangamon

Mostly cloudy with a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Humid with Lows around 70. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

June Temperature

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

  • Lowest 3 June, 2026

    50.6 °F

  • Average June

    73.8 °F

  • Highest 6 June, 2026

    89.1 °F

Climate (2021–Present)

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.6 °F
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