Clear Lake Weather Forecast

    • 48
    • 76

    Mostly Sunny

    • 54
    • 84

    Sunny

    • 57
    • 88

    Sunny

    • 60
    • 89

    Sunny

    • 59
    • 89

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

Today 18 Mar Brazos

Sunny. Not as cool with Highs in the mid 70s. South Winds 5 to 10 Mph.

Tonight 18 Mar Brazos

Partly cloudy and not as cool. Near steady temperature in the mid 40s. South Winds 5 to 10 Mph with Gusts up to 20 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

    67.7 °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

    59.8 °F

  • Average 2021–2026

    69.6 °F

  • Average High 2021–2026

    80.4 °F
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