Clear Lake Weather Forecast

    • 58
    • 89

    Becoming Sunny

    • 61
    • 89

    Becoming Sunny

    • 65
    • 91

    Mostly Sunny

    • 69
    • 90

    Mostly Sunny

    • 73
    • 93

    Partly Sunny

    • 69
    • 92

    Chance Thunderstorms

    • 64
    • 82

    Chance Thunderstorms

Today 20 May Marion

Mostly sunny. Near steady temperature in the mid 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 20 May Marion

Mostly clear. Much cooler with Lows in the upper 50s. Northwest Winds 5 to 10 Mph, becoming southwest.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

May Temperature

Marshall (14.3 miles)

  • Lowest 4 May, 2025

    47.5 °F

  • Average May

    70.3 °F

  • Highest 17 May, 2025

    90.1 °F

Climate (2020–Present)

Marshall (14.3 miles)

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  • Average Low 2020–2025

    55 °F

  • Average 2020–2025

    65.2 °F

  • Average High 2020–2025

    76.8 °F
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