Clear Lake Weather Forecast

    • 58
    • 84

    Slight Chance Thunderstorms

    • 54
    • 81

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 63
    • 84

    Partly Sunny

    • 65
    • 85

    Chance Thunderstorms

    • 67
    • 86

    Chance Thunderstorms

Today 1 Jun Sangamon

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Morning, then mostly sunny this afternoon. Highs in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 1 Jun Sangamon

Mostly clear. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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Clear Lake Temperature Statistics

June Temperature

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

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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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