Grant Lake Weather Forecast

    • 70
    • 93

    Mostly Sunny

    • 74
    • 92

    Partly Sunny

    • 74
    • 92

    Rain Showers Likely

    • 72
    • 88

    Rain Showers

    • 70
    • 86

    Rain Showers Likely

    • 69
    • 83

    Rain Showers Likely

Today 28 Sep Montgomery

Sunny. Highs in the mid 90s. Southeast Winds 5 to 10 Mph.

Tonight 28 Sep Montgomery

Mostly clear. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Grant Lake Temperature Statistics

September Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 19 September, 2026

    66 °F

  • Average September

    84.1 °F

  • Highest 22 September, 2026

    99.6 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    81.8 °F
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