Hamilton Lake Weather Forecast

    • 60
    • 69

    Rain Showers Likely

    • 34
    • 65

    Rain Showers Likely

    • 22
    • 40

    Breezy

    • 30
    • 42

    Partly Sunny

    • 47
    • 55

    Partly Sunny

Today 23 Jan Coastal Refugio

Mostly cloudy. Patchy fog in the morning. A chance of Showers in the afternoon. Highs in the mid 70s. East Winds 5 to 10 Mph, increasing to 10 to 15 Mph in the afternoon. Chance of rain 30 percent.

Tonight 23 Jan Coastal Refugio

Cloudy. A chance of Showers in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Hamilton Lake Temperature Statistics

January Temperature

Rockport Aransas County Airport (28.6 miles)

  • Lowest 18 January, 2026

    37.9 °F

  • Average January

    62.3 °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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