Arrowhead Lake Weather Forecast

    • 67
    • 91

    Mostly Sunny

    • 73
    • 91

    Chance Rain Showers

    • 73
    • 92

    Chance Thunderstorms

    • 70
    • 92

    Chance Thunderstorms

    • 69
    • 91

    Mostly Sunny

    • 63
    • 86

    Partly Sunny

Today 11 Oct Montgomery

Sunny. Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 11 Oct Montgomery

Mostly clear. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Lake Temperature Statistics

October Temperature

Conroe, Montgomery County Airport (8.1 miles)

  • Lowest 8 October, 2026

    66 °F

  • Average October

    79.9 °F

  • Highest 1 October, 2026

    92.6 °F

Climate (2021–2026)

Conroe, Montgomery County Airport (8.1 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    81.8 °F
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