Slack Airport Weather Forecast

    • 78
    • 90

    Chance Thunderstorms

    • 77
    • 90

    Rain Showers Likely

    • 74
    • 88

    Rain Showers Likely

    • 72
    • 86

    Rain Showers

    • 71
    • 83

    Rain Showers Likely

    • 68
    • 81

    Chance Thunderstorms

Today 30 Sep Chambers

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Humid with Highs around 90. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 30 Sep Chambers

Mostly cloudy in the Evening, then becoming partly cloudy. Humid with Lows in the upper 70s. Southeast Winds 10 to 15 Mph.

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Slack Airport Temperature Statistics

September Temperature

Houston / Ellington (26.7 miles)

  • Lowest 25 September, 2026

    73.4 °F

  • Average September

    84 °F

  • Highest 7 September, 2026

    95 °F

Climate (2021–2026)

Houston / Ellington (26.7 miles)

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  • Average Low 2021–2026

    64.4 °F

  • Average 2021–2026

    72.1 °F

  • Average High 2021–2026

    80.5 °F
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