Grant Lake Weather Forecast

    • 75
    • 99

    Hot

    • 76
    • 100

    Hot

    • 77
    • 102

    Hot

    • 75
    • 103

    Hot

    • 75
    • 103

    Hot

    • 75
    • 101

    Hot

Today 19 Aug Montgomery

Sunny, hot with Highs in the upper 90s. Southwest Winds 5 to 10 Mph.

Tonight 19 Aug Montgomery

Partly cloudy. Near steady temperature around 80. Southwest Winds around 5 Mph.

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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

    85.8 °F

  • Highest 15 August, 2026

    100.9 °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

    70 °F

  • Average High 2021–2026

    81.6 °F
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