Grant Lake Weather Forecast

    • 53
    • 84

    Sunny

    • 57
    • 85

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 56
    • 80

    Mostly Cloudy

    • 57
    • 81

    Mostly Cloudy

    • 56
    • 79

    Partly Sunny

Today 22 Oct Montgomery

Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 22 Oct Montgomery

Clear. Lows in the mid 50s. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Grant Lake Temperature Statistics

October Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 18 October, 2026

    45.6 °F

  • Average October

    75.6 °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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