Santa Rosa Lake Weather Forecast

    • 67
    • 71

    Chance Rain Showers

    • 68
    • 81

    Chance Rain Showers

    • 68
    • 86

    Partly Sunny

    • 72
    • 88

    Mostly Cloudy

    • 72
    • 90

    Partly Sunny

    • 72
    • 92

    Partly Sunny

Today 20 Apr Inland Willacy

Mostly cloudy with a 20 percent chance of Showers. Highs around 70. North Winds 5 to 10 Mph.

Tonight 20 Apr Inland Willacy

Mostly cloudy with a 40 percent chance of Showers. Near steady temperature in the upper 60s. East Winds 10 to 15 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Rosa Lake Temperature Statistics

April Temperature

Harlingen, Rio Grande Valley International Airport (9.3 miles)

  • Lowest 7 April, 2026

    52.6 °F

  • Average April

    77.1 °F

  • Highest 2 April, 2026

    92.6 °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

    75.7 °F

  • Average High 2021–2026

    86.6 °F
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