Port Mansfield Weather Forecast

    • 82
    • 92

    Breezy

    • 82
    • 90

    Mostly Sunny

    • 81
    • 89

    Partly Sunny

    • 80
    • 88

    Mostly Sunny

    • 80
    • 91

    Mostly Sunny

    • 80
    • 91

    Mostly Sunny

Today 13 Aug Coastal Willacy

Sunny, breezy. Near steady temperature in the mid 90s. Southeast Winds 15 to 25 Mph with Gusts up to 30 Mph. Heat index Values up to 113.

Tonight 13 Aug Coastal Willacy

Mostly clear. Humid with Lows in the upper 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 107 early in the evening.

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Port Mansfield Temperature Statistics

August Temperature

Harlingen, Rio Grande Valley International Airport (26.1 miles)

  • Lowest 3 August, 2026

    73.7 °F

  • Average August

    89 °F

  • Highest 1 August, 2026

    102.7 °F

Climate (2021–2026)

Harlingen, Rio Grande Valley International Airport (26.1 miles)

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  • Average Low 2021–2026

    65.8 °F

  • Average 2021–2026

    75.9 °F

  • Average High 2021–2026

    86.8 °F
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