Clear Lake Weather Forecast

    • 67
    • 95

    Increasing Clouds

    • 69
    • 94

    Partly Sunny

    • 72
    • 97

    Hot

    • 72
    • 97

    Hot

    • 71
    • 95

    Chance Rain Showers

    • 66
    • 91

    Chance Thunderstorms

Today 25 Sep Brazos

Mostly sunny. Hot with Highs in the mid 90s. Northeast Winds 5 to 10 Mph.

Tonight 25 Sep Brazos

Partly cloudy. Lows in the upper 60s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

Bryan Coulter Field (9.3 miles)

  • Lowest 19 September, 2026

    66.6 °F

  • Average September

    84.7 °F

  • Highest 2 September, 2026

    101.8 °F

Climate (2021–2026)

Bryan Coulter Field (9.3 miles)

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  • Average Low 2021–2026

    60.3 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    80.8 °F
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