Santa Rosa Lake Weather Forecast

    • 79
    • 98

    Hot

    • 78
    • 100

    Hot

    • 77
    • 101

    Hot

    • 78
    • 101

    Hot

    • 78
    • 102

    Hot

    • 78
    • 102

    Hot

Today 28 Jul Inland Willacy

Sunny, hot with Highs around 100. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 110.

Tonight 28 Jul Inland Willacy

Mostly clear. Near steady temperature in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Santa Rosa Lake Temperature Statistics

July Temperature

Harlingen, Rio Grande Valley International Airport (9.3 miles)

  • Lowest 22 July, 2026

    71.7 °F

  • Average July

    87 °F

  • Highest 22 July, 2026

    106.6 °F

Climate (2021–2026)

Harlingen, Rio Grande Valley International Airport (9.3 miles)

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  • Average Low 2021–2026

    65.8 °F

  • Average 2021–2026

    75.9 °F

  • Average High 2021–2026

    86.7 °F
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