Arrowhead Lake Weather Forecast

    • 69
    • 91

    Increasing Clouds

    • 72
    • 90

    Mostly Cloudy

    • 75
    • 88

    Mostly Cloudy

    • 78
    • 88

    Mostly Cloudy

    • 77
    • 88

    Chance Thunderstorms

    • 74
    • 87

    Chance Thunderstorms

Today 14 May Montgomery

Patchy fog in the morning. Sunny. Highs in the lower 90s. Southwest Winds around 5 Mph.

Tonight 14 May Montgomery

Mostly clear. Lows in the mid 60s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arrowhead Lake Temperature Statistics

May Temperature

Conroe, Montgomery County Airport (8.1 miles)

  • Lowest 3 May, 2026

    48.7 °F

  • Average May

    71.4 °F

  • Highest 10 May, 2026

    91.7 °F

Climate (2021–Present)

Conroe, Montgomery County Airport (8.1 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    69.7 °F

  • Average High 2021–2026

    81.4 °F
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