Clear Lake Weather Forecast

    • 19
    • 38

    Sunny

    • 26
    • 35

    Snow

    • 23
    • 33

    Snow

    • 9
    • 27

    Mostly Cloudy

    • 12
    • 22

    Chance Snow

    • 13
    • 25

    Mostly Cloudy

    • 18
    • 32

    Mostly Cloudy

Today 27 Nov Sangamon

Sunny. Highs in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 27 Nov Sangamon

Clear. Lows around 19. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

November Temperature

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

  • Lowest 10 November, 2025

    21 °F

  • Average November

    48.1 °F

  • Highest 14 November, 2025

    77 °F

Climate (2020–Present)

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    65.2 °F
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