Grant Lake Weather Forecast

    • 72
    • 89

    Chance Thunderstorms

    • 70
    • 81

    Rain Showers

    • 71
    • 88

    Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

    • 71
    • 91

    Slight Chance Thunderstorms

    • 69
    • 88

    Chance Thunderstorms

Today 26 May Montgomery

Patchy fog in the morning. Mostly sunny with a slight chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the upper 80s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Tonight 26 May Montgomery

Partly cloudy. Patchy fog. Near steady temperature in the lower 70s. Light and variable Winds.

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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

    74.5 °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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