Canyon Lake Weather Forecast

    • 76
    • 99

    Hot

    • 75
    • 98

    Hot

    • 75
    • 98

    Hot

    • 74
    • 97

    Hot

    • 73
    • 96

    Slight Chance Thunderstorms

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    • 96

    Slight Chance Thunderstorms

Today 13 Sep Comal

Partly cloudy in the Morning, then clearing. Highs in the upper 90s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Highest heat index Readings up to 106.

Tonight 13 Sep Comal

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Canyon Lake Temperature Statistics

September Temperature

New Braunfels Regional Airport (17.4 miles)

  • Lowest 1 September, 2026

    74.6 °F

  • Average September

    87.5 °F

  • Highest 2 September, 2026

    102.7 °F

Climate (2021–2026)

New Braunfels Regional Airport (17.4 miles)

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  • Average Low 2021–2026

    60.8 °F

  • Average 2021–2026

    72.2 °F

  • Average High 2021–2026

    84.2 °F
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