Santa Rosa Lake Weather Forecast

    • 61
    • 89

    Mostly Sunny

    • 63
    • 89

    Mostly Sunny

    • 64
    • 89

    Mostly Sunny

    • 65
    • 90

    Mostly Sunny

    • 65
    • 90

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

Today 22 Mar Inland Willacy

Sunny. Highs in the upper 80s. South Winds 15 to 20 Mph with Gusts up to 25 Mph.

Tonight 22 Mar Inland Willacy

Mostly clear. Lows in the lower 60s. South Winds around 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Santa Rosa Lake Temperature Statistics

March Temperature

Harlingen, Rio Grande Valley International Airport (9.3 miles)

  • Lowest 17 March, 2026

    43.6 °F

  • Average March

    74.1 °F

  • Highest 11 March, 2026

    98.7 °F

Climate (2021–Present)

Harlingen, Rio Grande Valley International Airport (9.3 miles)

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  • Average Low 2021–2026

    65.7 °F

  • Average 2021–2026

    75.6 °F

  • Average High 2021–2026

    86.5 °F
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