Cullum Lake Weather Forecast

    • 69
    • 91

    Decreasing Clouds

    • 71
    • 92

    Mostly Sunny

    • 71
    • 94

    Mostly Sunny

    • 71
    • 95

    Mostly Sunny

    • 72
    • 96

    Mostly Sunny

    • 73
    • 97

    Hot

Today 25 Jul Kerr

Partly cloudy. Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 25 Jul Kerr

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

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Cullum Lake Temperature Statistics

July Temperature

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

  • Lowest 15 July, 2026

    67.1 °F

  • Average July

    80.2 °F

  • Highest 22 July, 2026

    98.2 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    56.3 °F

  • Average 2021–2026

    67.9 °F

  • Average High 2021–2026

    80.5 °F
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