Sebastian Weather Forecast

    • 74
    • 90

    Increasing Clouds

    • 73
    • 91

    Partly Sunny

    • 71
    • 90

    Rain Showers

    • 69
    • 82

    Rain Showers

    • 70
    • 83

    Chance Rain Showers

    • 72
    • 85

    Mostly Cloudy

Today 30 Apr Inland Willacy

Mostly sunny. A slight chance of Thunderstorms this morning. Breezy with Highs in the lower 90s. South Winds 20 to 25 Mph with Gusts up to 35 Mph. Chance of precipitation 20 percent.

Tonight 30 Apr Inland Willacy

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sebastian Temperature Statistics

April Temperature

Harlingen, Rio Grande Valley International Airport (11.2 miles)

  • Lowest 7 April, 2025

    48.7 °F

  • Average April

    76.7 °F

  • Highest 3 April, 2025

    92.6 °F

Climate (2020–Present)

Harlingen, Rio Grande Valley International Airport (11.2 miles)

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  • Average Low 2020–2025

    65.3 °F

  • Average 2020–2025

    75 °F

  • Average High 2020–2025

    85.9 °F
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