Grant Lake Weather Forecast

    • 55
    • 81

    Mostly Cloudy

    • 58
    • 82

    Mostly Cloudy

    • 61
    • 81

    Mostly Cloudy

    • 59
    • 83

    Partly Sunny

    • 58
    • 83

    Partly Sunny

    • 62
    • 81

    Mostly Cloudy

Today 25 Oct Montgomery

Partly sunny. Near steady temperature around 80. East Winds 5 to 10 Mph.

Tonight 25 Oct Montgomery

Mostly cloudy. Lows in the mid 50s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Grant Lake Temperature Statistics

October Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 18 October, 2026

    45.6 °F

  • Average October

    74.6 °F

  • Highest 13 October, 2026

    95.6 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    81.8 °F
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