Hamilton Lake Weather Forecast

    • 37
    • 52

    Mostly Cloudy

    • 33
    • 48

    Mostly Sunny

    • 47
    • 53

    Partly Sunny

    • 58
    • 63

    Mostly Cloudy

    • 56
    • 67

    Mostly Cloudy

    • 47
    • 64

    Chance Rain Showers

Today 30 Jan Coastal Refugio

Mostly cloudy. Cooler with Highs in the upper 50s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 30 Jan Coastal Refugio

Mostly clear. Cold with Lows in the lower 30s. North Winds 5 to 10 Mph, increasing to 10 to 15 Mph after midnight. Wind chill Values in the mid 20s after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hamilton Lake Temperature Statistics

January Temperature

Rockport Aransas County Airport (28.6 miles)

  • Lowest 27 January, 2026

    24.1 °F

  • Average January

    60.1 °F

  • Highest 3 January, 2026

    85.6 °F

Climate (2021–Present)

Rockport Aransas County Airport (28.6 miles)

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  • Average Low 2021–2026

    67.4 °F

  • Average 2021–2026

    74.3 °F

  • Average High 2021–2026

    81.7 °F
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