Grant Lake Weather Forecast

    • 65
    • 90

    Sunny

    • 68
    • 91

    Mostly Sunny

    • 73
    • 91

    Slight Chance Thunderstorms

    • 73
    • 92

    Rain Showers Likely

    • 72
    • 92

    Slight Chance Thunderstorms

    • 70
    • 91

    Slight Chance Thunderstorms

Today 10 Oct Montgomery

Sunny. Highs in the lower 90s. Southeast Winds around 5 Mph.

Tonight 10 Oct Montgomery

Clear. Lows in the mid 60s. South Winds around 5 Mph.

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  • Temperature Real-Time

Grant Lake Temperature Statistics

October Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 8 October, 2026

    66 °F

  • Average October

    79.9 °F

  • Highest 1 October, 2026

    92.6 °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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