Los Fresnos Weather Forecast

    • 68
    • 85

    Increasing Clouds

    • 67
    • 84

    Mostly Cloudy

    • 65
    • 82

    Partly Sunny

    • 65
    • 83

    Partly Sunny

    • 65
    • 83

    Mostly Sunny

    • 66
    • 84

    Mostly Sunny

    • 62
    • 83

    Partly Sunny

Today 21 Dec Inland Cameron

Mostly sunny. Highs in the mid 80s. South Winds around 10 Mph. Gusts up to 20 Mph.

Tonight 21 Dec Inland Cameron

Partly cloudy this Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 60s. Southeast Winds 10 to 15 Mph with Gusts up to 20 Mph, Diminishing to around 5 Mph after midnight.

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Los Fresnos Temperature Statistics

December Temperature

Port Isabel, Port Isabel-Cameron County Airport (9.9 miles)

  • Lowest 15 December, 2025

    46.9 °F

  • Average December

    63.9 °F

  • Highest 18 December, 2025

    84.9 °F

Climate (2020–Present)

Port Isabel, Port Isabel-Cameron County Airport (9.9 miles)

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  • Average Low 2020–2025

    68.5 °F

  • Average 2020–2025

    75.8 °F

  • Average High 2020–2025

    83.5 °F
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