Clear Lake Weather Forecast

    • 49
    • 54

    Rain Likely

    • 37
    • 55

    Rain Likely

    • 35
    • 54

    Mostly Sunny

    • 41
    • 59

    Partly Sunny

    • 47
    • 57

    Rain

    • 33
    • 60

    Slight Chance Rain

    • 26
    • 45

    Partly Sunny

Today 20 Nov Sangamon

Cloudy with patchy very light drizzle. Near steady temperature in the lower 50s. Southeast Winds around 5 Mph.

Tonight 20 Nov Sangamon

Cloudy. A slight chance of rain this Evening, then a chance of rain after midnight. Areas of fog. Near steady temperature around 50. East Winds around 5 Mph. Chance of rain 50 percent.

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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

    48.6 °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

    55.2 °F

  • Average High 2020–2025

    65.2 °F
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