Conroe Weather Forecast

    • 74
    • 94

    Slight Chance Thunderstorms

    • 72
    • 94

    Mostly Sunny

    • 73
    • 94

    Mostly Sunny

    • 75
    • 94

    Partly Sunny

    • 75
    • 94

    Slight Chance Thunderstorms

    • 75
    • 94

    Slight Chance Thunderstorms

Today 17 Sep Montgomery

Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms in the afternoon. Humid with Highs in the mid 90s. East Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 106.

Tonight 17 Sep Montgomery

Partly cloudy in the Evening, then clearing. Lows in the mid 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Conroe Temperature Statistics

September Temperature

Conroe, Montgomery County Airport (3.7 miles)

  • Lowest 11 September, 2026

    72.6 °F

  • Average September

    84.6 °F

  • Highest 8 September, 2026

    98.7 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (3.7 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    81.7 °F
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