Port Mansfield Weather Forecast

    • 80
    • 89

    Partly Sunny

    • 81
    • 92

    Partly Sunny

    • 80
    • 90

    Slight Chance Thunderstorms

    • 80
    • 90

    Slight Chance Thunderstorms

    • 79
    • 89

    Slight Chance Thunderstorms

    • 79
    • 91

    Slight Chance Thunderstorms

    • 79
    • 93

    Partly Sunny

Today 19 Sep Coastal Willacy

Partly cloudy. Highs in the lower to mid 90s. Southeast Winds 15 to 20 Mph. Highest heat index Readings around 110 in the afternoon.

Tonight 19 Sep Coastal Willacy

Partly cloudy. Lows in the lower 80s. Southeast Winds 15 to 20 Mph shifting to the south 10 to 15 Mph after midnight. Heat index Readings 101 to 106.

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Port Mansfield Temperature Statistics

September Temperature

Harlingen, Rio Grande Valley International Airport (26.1 miles)

  • Lowest 12 September, 2019

    72 °F
  • Average September

    81.1 °F
  • Highest 1 September, 2019

    97 °F

Climate (2010–Present)

Harlingen, Rio Grande Valley International Airport (26.1 miles)

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  • Average Low 2010–Present

    66.3 °F
  • Average 2010–Present

    74.8 °F
  • Average High 2010–Present

    85.9 °F
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