Hamilton Lake Weather Forecast

    • 52
    • 62

    Mostly Cloudy

    • 51
    • 60

    Slight Chance Rain Showers

    • 46
    • 69

    Mostly Sunny

    • 50
    • 58

    Sunny

    • 51
    • 66

    Mostly Sunny

    • 50
    • 63

    Mostly Sunny

    • 51
    • 64

    Mostly Sunny

Today 12 Jan Coastal Refugio

Partly cloudy late this Morning, then becoming mostly cloudy. Highs in the mid 60s. Northeast Winds 5 to 10 Mph.

Tonight 12 Jan Coastal Refugio

Mostly cloudy. A slight chance of Showers after midnight. Lows in the upper 40s. Northeast Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hamilton Lake Temperature Statistics

January Temperature

Rockport Aransas County Airport (28.6 miles)

  • Lowest 1 January, 2026

    44.1 °F

  • Average January

    68.4 °F

  • Highest 3 January, 2026

    84 °F

Climate (2021–Present)

Rockport Aransas County Airport (28.6 miles)

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  • Average Low 2021–2026

    67.5 °F

  • Average 2021–2026

    74.4 °F

  • Average High 2021–2026

    81.7 °F
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