Willis Weather Forecast

    • 74
    • 91

    Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

    • 75
    • 95

    Slight Chance Thunderstorms

    • 74
    • 94

    Slight Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

    • 74
    • 93

    Partly Sunny

Today 5 Sep Montgomery

Mostly sunny this Morning, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Highs in the lower 90s. Northwest Winds around 5 Mph, becoming east this afternoon. Chance of rain 50 percent.

Tonight 5 Sep Montgomery

Mostly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then partly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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Willis Temperature Statistics

September Temperature

Conroe, Montgomery County Airport (5.6 miles)

  • Lowest 1 September, 2026

    74.6 °F

  • Average September

    82.7 °F

  • Highest 1 September, 2026

    93.7 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (5.6 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    70 °F

  • Average High 2021–2026

    81.7 °F
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