Hamilton Lake Weather Forecast

    • 44
    • 55

    Breezy

    • 43
    • 55

    Mostly Sunny

    • 53
    • 60

    Mostly Sunny

    • 65
    • 70

    Mostly Cloudy

    • 61
    • 75

    Mostly Sunny

    • 60
    • 74

    Mostly Sunny

    • 64
    • 72

    Mostly Sunny

Today 29 Dec Coastal Refugio

Mostly cloudy and windy. Much cooler with Highs in the mid 50s. Northeast Winds 20 to 30 Mph with Gusts up to 45 Mph, becoming north 15 to 25 Mph in the afternoon.

Tonight 29 Dec Coastal Refugio

Mostly cloudy. Near steady temperature in the mid 40s. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Hamilton Lake Temperature Statistics

December Temperature

Rockport Aransas County Airport (28.6 miles)

  • Lowest 15 December, 2025

    37.9 °F

  • Average December

    62.1 °F

  • Highest 7 December, 2025

    80.1 °F

Climate (2020–Present)

Rockport Aransas County Airport (28.6 miles)

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  • Average Low 2020–2025

    67.4 °F

  • Average 2020–2025

    74.3 °F

  • Average High 2020–2025

    81.7 °F
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