Cullum Lake Weather Forecast

    • 72
    • 93

    Increasing Clouds

    • 71
    • 89

    Chance Thunderstorms

    • 70
    • 93

    Partly Sunny

    • 71
    • 94

    Mostly Sunny

    • 72
    • 92

    Chance Thunderstorms

    • 70
    • 91

    Chance Thunderstorms

Today 15 Aug Kerr

Partly cloudy this Morning, then becoming mostly sunny. Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 15 Aug Kerr

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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Cullum Lake Temperature Statistics

August Temperature

Kerrville, Kerrville Municipal Airport/Louis Schreiner Field (23.6 miles)

  • Lowest 5 August, 2025

    64.8 °F

  • Average August

    81.5 °F

  • Highest 1 August, 2025

    97.3 °F

Climate (2020–Present)

Kerrville, Kerrville Municipal Airport/Louis Schreiner Field (23.6 miles)

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  • Average Low 2020–2025

    55.4 °F

  • Average 2020–2025

    67.2 °F

  • Average High 2020–2025

    79.8 °F
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