Grant Lake Weather Forecast

    • 74
    • 97

    Slight Chance Thunderstorms

    • 72
    • 96

    Chance Thunderstorms

    • 74
    • 96

    Chance Thunderstorms

    • 74
    • 93

    Chance Thunderstorms

    • 74
    • 95

    Slight Chance Thunderstorms

    • 75
    • 97

    Hot

Today 7 Aug Montgomery

Sunny. Patchy fog in the morning. A slight chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the mid 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 7 Aug Montgomery

Mostly clear. Near steady temperature in the upper 70s. South Winds around 5 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Grant Lake Temperature Statistics

August Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 3 August, 2026

    70 °F

  • Average August

    85.1 °F

  • Highest 4 August, 2026

    99 °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

    81.6 °F
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