Hamilton Lake Weather Forecast

    • 75
    • 80

    Increasing Clouds

    • 76
    • 80

    Mostly Cloudy

    • 78
    • 80

    Partly Sunny

    • 78
    • 79

    Mostly Cloudy

    • 78
    • 79

    Chance Thunderstorms

    • 76
    • 79

    Chance Rain Showers

Today 14 May Coastal Refugio

Partly cloudy in the Morning, then clearing. Highs in the upper 80s. Southwest Winds around 5 Mph, increasing to southeast 10 to 15 Mph in the afternoon.

Tonight 14 May Coastal Refugio

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 70s. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hamilton Lake Temperature Statistics

May Temperature

Rockport Aransas County Airport (28.6 miles)

  • Lowest 2 May, 2026

    57.7 °F

  • Average May

    75.5 °F

  • Highest 9 May, 2026

    89.7 °F

Climate (2021–Present)

Rockport Aransas County Airport (28.6 miles)

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  • Average Low 2021–2026

    67.6 °F

  • Average 2021–2026

    74.7 °F

  • Average High 2021–2026

    82 °F
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