Grant Lake Weather Forecast

    • 69
    • 92

    Mostly Sunny

    • 70
    • 90

    Mostly Cloudy

    • 74
    • 88

    Mostly Cloudy

    • 77
    • 85

    Slight Chance Thunderstorms

    • 76
    • 84

    Chance Thunderstorms

    • 73
    • 84

    Chance Thunderstorms

Today 14 May Montgomery

Patchy fog in the morning. Sunny. Highs around 90. West Winds around 5 Mph, becoming south around 5 Mph in the afternoon.

Tonight 14 May Montgomery

Partly cloudy. Lows in the upper 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Grant Lake Temperature Statistics

May Temperature

Conroe, Montgomery County Airport (10.6 miles)

  • Lowest 3 May, 2026

    48.7 °F

  • Average May

    71.4 °F

  • Highest 10 May, 2026

    91.7 °F

Climate (2021–Present)

Conroe, Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    69.7 °F

  • Average High 2021–2026

    81.4 °F
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