Arnett Weather Forecast

    • 75
    • 99

    Hot

    • 74
    • 97

    Hot

    • 74
    • 98

    Hot

    • 74
    • 97

    Hot

    • 73
    • 97

    Hot

    • 71
    • 95

    Mostly Sunny

Today 13 Sep Coryell

Sunny, hot with Highs in the upper 90s. South Winds 5 to 10 Mph. Heat index Values up to 105.

Tonight 13 Sep Coryell

Clear. Lows in the mid 70s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Arnett Temperature Statistics

September Temperature

Gatesville, City-County Airport (5.6 miles)

  • Lowest 1 September, 2026

    73.4 °F

  • Average September

    86.8 °F

  • Highest 2 September, 2026

    100.4 °F

Climate (2021–2026)

Gatesville, City-County Airport (5.6 miles)

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  • Average Low 2021–2026

    57.5 °F

  • Average 2021–2026

    68.9 °F

  • Average High 2021–2026

    80.6 °F
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