Grant Lake Weather Forecast

    • 75
    • 96

    Slight Chance Thunderstorms

    • 76
    • 97

    Slight Chance Thunderstorms

    • 77
    • 95

    Chance Thunderstorms

    • 77
    • 95

    Chance Thunderstorms

    • 77
    • 95

    Chance Thunderstorms

    • 76
    • 95

    Chance Thunderstorms

Today 8 Jul Montgomery

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 107.

Tonight 8 Jul Montgomery

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Grant Lake Temperature Statistics

July Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 1 July, 2026

    71.7 °F

  • Average July

    84.2 °F

  • Highest 1 July, 2026

    95.6 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    69.9 °F

  • Average High 2021–2026

    81.5 °F
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