Hamilton Weather Forecast

    • 62
    • 76

    Increasing Clouds

    • 61
    • 79

    Mostly Cloudy

    • 61
    • 78

    Mostly Cloudy

    • 59
    • 79

    Mostly Cloudy

    • 59
    • 82

    Partly Sunny

    • 57
    • 81

    Partly Sunny

Today 22 Dec Bandera

Partly cloudy. Highs in the lower 70s. South Winds 5 to 10 Mph.

Tonight 22 Dec Bandera

Partly cloudy in the Evening, then becoming cloudy. Patchy fog in the Evening, then Areas of fog after midnight. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph.

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Hamilton Temperature Statistics

December Temperature

Castroville Municipal Airport (16.2 miles)

  • Lowest 9 December, 2025

    32 °F

  • Average December

    54.5 °F

  • Highest 7 December, 2025

    82.4 °F

Climate (2020–Present)

Castroville Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    61.3 °F

  • Average 2020–2025

    72.1 °F

  • Average High 2020–2025

    83.9 °F
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