Grant Lake Weather Forecast

    • 75
    • 99

    Slight Chance Thunderstorms

    • 74
    • 98

    Hot

    • 74
    • 97

    Hot

    • 74
    • 97

    Slight Chance Thunderstorms

    • 74
    • 96

    Chance Thunderstorms

    • 74
    • 97

    Slight Chance Thunderstorms

Today 28 Aug Montgomery

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Hot with Highs in the upper 90s. East Winds around 5 Mph. Chance of rain 20 percent.

Tonight 28 Aug Montgomery

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

August Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 3 August, 2026

    69.7 °F

  • Average August

    87.4 °F

  • Highest 22 August, 2026

    106.6 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    70 °F

  • Average High 2021–2026

    81.7 °F
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