Arrowhead Lake Weather Forecast

    • 77
    • 97

    Hot

    • 78
    • 96

    Partly Sunny

    • 77
    • 96

    Slight Chance Thunderstorms

    • 76
    • 96

    Slight Chance Thunderstorms

    • 77
    • 97

    Hot

    • 78
    • 97

    Hot

    • 78
    • 97

    Hot

Today 4 Jul Montgomery

Sunny with a slight chance of Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. South Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 108.

Tonight 4 Jul Montgomery

Partly cloudy. Lows in the upper 70s. South Winds around 5 Mph. Heat index Values up to 106 early in the evening.

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Arrowhead Lake Temperature Statistics

July Temperature

Conroe, Montgomery County Airport (8.1 miles)

  • Lowest 1 July, 2026

    72 °F

  • Average July

    82.1 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (8.1 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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