Santa Rosa Lake Weather Forecast

    • 78
    • 95

    Mostly Cloudy

    • 78
    • 94

    Mostly Cloudy

    • 78
    • 95

    Partly Sunny

    • 77
    • 95

    Partly Sunny

    • 76
    • 96

    Partly Sunny

    • 76
    • 96

    Hot

Today 14 Jul Inland Willacy

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

Tonight 14 Jul Inland Willacy

Partly cloudy. Lows in the mid 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Santa Rosa Lake Temperature Statistics

July Temperature

Harlingen, Rio Grande Valley International Airport (9.3 miles)

  • Lowest 9 July, 2026

    73.7 °F

  • Average July

    85.5 °F

  • Highest 5 July, 2026

    98.7 °F

Climate (2021–2026)

Harlingen, Rio Grande Valley International Airport (9.3 miles)

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  • Average Low 2021–2026

    65.7 °F

  • Average 2021–2026

    75.8 °F

  • Average High 2021–2026

    86.7 °F
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