Grant Lake Weather Forecast

    • 65
    • 79

    Mostly Cloudy

    • 68
    • 78

    Thunderstorms Likely

    • 69
    • 83

    Rain Showers Likely

    • 67
    • 88

    Chance Thunderstorms

    • 60
    • 85

    Mostly Sunny

    • 63
    • 86

    Partly Sunny

Today 7 May Montgomery

Mostly cloudy. Highs in the upper 70s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 7 May Montgomery

Mostly cloudy. Lows in the mid 60s. Northeast Winds around 5 Mph.

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Grant Lake Temperature Statistics

May Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 3 May, 2026

    48.7 °F

  • Average May

    64.3 °F

  • Highest 4 May, 2026

    82 °F

Climate (2021–Present)

Conroe, Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    69.7 °F

  • Average High 2021–2026

    81.4 °F
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