Sweeney Lake Weather Forecast

    • 77
    • 96

    Mostly Sunny

    • 76
    • 96

    Mostly Sunny

    • 77
    • 92

    Chance Thunderstorms

    • 78
    • 93

    Slight Chance Thunderstorms

    • 78
    • 94

    Mostly Sunny

    • 76
    • 94

    Mostly Sunny

Today 23 Jul Inland Cameron

Sunny. Highs in the mid 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 106.

Tonight 23 Jul Inland Cameron

Mostly clear. Humid with Lows in the upper 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweeney Lake Temperature Statistics

July Temperature

Port Isabel, Port Isabel-Cameron County Airport (9.9 miles)

  • Lowest 17 July, 2025

    74.6 °F

  • Average July

    85.4 °F

  • Highest 15 July, 2025

    93.7 °F

Climate (2020–Present)

Port Isabel, Port Isabel-Cameron County Airport (9.9 miles)

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  • Average Low 2020–2025

    68.1 °F

  • Average 2020–2025

    75.4 °F

  • Average High 2020–2025

    83.1 °F
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