Clear Lake Weather Forecast

    • 43
    • 68

    Increasing Clouds

    • 39
    • 63

    Slight Chance Rain Showers

    • 29
    • 48

    Slight Chance Rain Showers

    • 24
    • 43

    Mostly Sunny

    • 28
    • 47

    Mostly Sunny

    • 33
    • 51

    Partly Sunny

Today 10 Nov Sangamon

Sunny. Highs in the upper 60s. Northwest Winds around 5 Mph.

Tonight 10 Nov Sangamon

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the mid 40s. Light and variable Winds, becoming south around 5 Mph after midnight.

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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 7 November, 2026

    27 °F

  • Average November

    53.4 °F

  • Highest 3 November, 2026

    69.7 °F

Climate (2021–2026)

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    65.8 °F
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