Grant Lake Weather Forecast

    • 76
    • 97

    Hot

    • 76
    • 99

    Hot

    • 77
    • 100

    Hot

    • 77
    • 100

    Hot

    • 77
    • 100

    Hot

    • 78
    • 100

    Hot

Today 26 Jul Montgomery

Patchy fog in the morning. Sunny, hot with Highs in the mid 90s. Southwest Winds around 5 Mph. Heat index Values up to 107.

Tonight 26 Jul Montgomery

Mostly clear. Patchy fog. Near steady temperature in the upper 70s. South Winds around 5 Mph.

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Grant Lake Temperature Statistics

July Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 8 July, 2026

    69.7 °F

  • Average July

    83.7 °F

  • Highest 22 July, 2026

    102 °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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