Grant Lake Weather Forecast

    • 63
    • 86

    Increasing Clouds

    • 62
    • 87

    Partly Sunny

    • 60
    • 89

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 62
    • 84

    Partly Sunny

    • 65
    • 85

    Mostly Cloudy

    • 66
    • 85

    Partly Sunny

Today 25 Mar Montgomery

Mostly sunny. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 25 Mar Montgomery

Mostly clear this Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 60s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grant Lake Temperature Statistics

March Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 17 March, 2026

    29.6 °F

  • Average March

    67.5 °F

  • Highest 21 March, 2026

    87.7 °F

Climate (2021–Present)

Conroe, Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    58.6 °F

  • Average 2021–2026

    69.6 °F

  • Average High 2021–2026

    81.3 °F
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