Mark Twain Lake Weather Forecast

    • 44
    • 73

    Becoming Sunny

    • 48
    • 72

    Mostly Sunny

    • 59
    • 74

    Mostly Sunny

    • 37
    • 74

    Partly Sunny

    • 39
    • 52

    Partly Sunny

    • 41
    • 55

    Partly Sunny

    • 52
    • 66

    Partly Sunny

Today 19 Mar Monroe

Sunny. Near steady temperature in the lower 70s. Northwest Winds around 5 Mph.

Tonight 19 Mar Monroe

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 40s. Northwest Winds around 5 Mph, becoming southwest around 5 Mph after midnight.

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  • Temperature Real-Time

Mark Twain Lake Temperature Statistics

March Temperature

Quincy Regional Airport-Baldwin Field (42.9 miles)

  • Lowest 16 March, 2026

    12.9 °F

  • Average March

    45.2 °F

  • Highest 10 March, 2026

    84 °F

Climate (2021–Present)

Quincy Regional Airport-Baldwin Field (42.9 miles)

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    65.2 °F
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