TSTC Waco Airport Weather Forecast

    • 79
    • 103

    Hot

    • 80
    • 104

    Hot

    • 80
    • 104

    Hot

    • 78
    • 103

    Hot

    • 78
    • 103

    Hot

    • 78
    • 102

    Hot

    • 77
    • 101

    Hot

Today 21 Aug McLennan

Sunny with a 20 percent chance of Showers and Thunderstorms. Hot with Highs around 103. Southeast Winds around 5 Mph. Heat index Values up to 106.

Tonight 21 Aug McLennan

Mostly clear this Evening, then becoming partly cloudy. Lows in the upper 70s. South Winds around 5 Mph.

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TSTC Waco Airport Temperature Statistics

August Temperature

Waco-James Connally Airport (0 miles)

  • Lowest 18 August, 2026

    71.6 °F

  • Average August

    85.9 °F

  • Highest 17 August, 2026

    104 °F

Climate (2021–2026)

Waco-James Connally Airport (0 miles)

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  • Average Low 2021–2026

    58.7 °F

  • Average 2021–2026

    71.3 °F

  • Average High 2021–2026

    80.1 °F
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