Mark Twain Lake Weather Forecast

    • 51
    • 66

    Increasing Clouds

    • 50
    • 68

    Chance Thunderstorms

    • 53
    • 72

    Rain Showers Likely

    • 44
    • 63

    Mostly Sunny

    • 52
    • 71

    Slight Chance Thunderstorms

    • 55
    • 78

    Mostly Sunny

Today 7 May Monroe

Sunny. Highs in the upper 60s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 7 May Monroe

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mark Twain Lake Temperature Statistics

May Temperature

Quincy Regional Airport-Baldwin Field (42.9 miles)

  • Lowest 1 May, 2026

    37.7 °F

  • Average May

    54.8 °F

  • Highest 4 May, 2026

    78.7 °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

    55.5 °F

  • Average High 2021–2026

    65.4 °F
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