Arrowhead Lake Weather Forecast

    • 72
    • 94

    Partly Sunny

    • 74
    • 94

    Slight Chance Thunderstorms

    • 75
    • 89

    Thunderstorms Likely

    • 75
    • 92

    Chance Thunderstorms

    • 75
    • 94

    Partly Sunny

    • 75
    • 95

    Partly Sunny

    • 75
    • 96

    Mostly Sunny

Today 16 Jul Montgomery

Sunny. Highs in the lower 90s. South Winds around 5 Mph.

Tonight 16 Jul Montgomery

Partly cloudy. Lows in the lower 70s. South Winds around 5 Mph.

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Arrowhead Lake Temperature Statistics

July Temperature

Conroe, Montgomery County Airport (8.1 miles)

  • Lowest 14 July, 2025

    70 °F

  • Average July

    82 °F

  • Highest 12 July, 2025

    96.7 °F

Climate (2020–Present)

Conroe, Montgomery County Airport (8.1 miles)

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  • Average Low 2020–2025

    58.2 °F

  • Average 2020–2025

    69 °F

  • Average High 2020–2025

    80.7 °F
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