Clear Lake Weather Forecast

    • 63
    • 87

    Increasing Clouds

    • 58
    • 87

    Decreasing Clouds

    • 54
    • 73

    Mostly Cloudy

    • 59
    • 84

    Mostly Sunny

    • 63
    • 86

    Mostly Cloudy

    • 65
    • 88

    Partly Sunny

    • 65
    • 88

    Mostly Cloudy

Today 26 Mar Brazos

Sunny. Highs in the upper 80s. South Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 26 Mar Brazos

Clear this Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

March Temperature

Bryan Coulter Field (9.3 miles)

  • Lowest 16 March, 2026

    37.6 °F

  • Average March

    68.2 °F

  • Highest 15 March, 2026

    87.6 °F

Climate (2021–Present)

Bryan Coulter Field (9.3 miles)

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  • Average Low 2021–2026

    59.9 °F

  • Average 2021–2026

    69.7 °F

  • Average High 2021–2026

    80.4 °F
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