Grant Lake Weather Forecast

    • 77
    • 89

    Slight Chance Thunderstorms

    • 77
    • 89

    Chance Thunderstorms

    • 73
    • 90

    Rain Showers

    • 72
    • 85

    Rain Showers

    • 71
    • 85

    Rain Showers

    • 70
    • 83

    Rain Showers

Today 17 May Montgomery

Mostly cloudy. Highs in the upper 80s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 May Montgomery

Mostly cloudy. Lows in the upper 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • 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

    72.4 °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

    69.8 °F

  • Average High 2021–2026

    81.4 °F
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