Los Fresnos Weather Forecast

    • 82
    • 98

    Hot

    • 80
    • 97

    Chance Thunderstorms

    • 77
    • 95

    Rain Showers Likely

    • 76
    • 93

    Rain Showers

    • 76
    • 90

    Rain Showers

    • 74
    • 88

    Rain Showers

Today 30 Sep Inland Cameron

Mostly sunny. Humid with Highs in the upper 90s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 113.

Tonight 30 Sep Inland Cameron

Partly cloudy. Humid with Lows in the lower 80s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Heat index Values up to 108 early in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Los Fresnos Temperature Statistics

September Temperature

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

  • Lowest 20 September, 2026

    75.7 °F

  • Average September

    87.6 °F

  • Highest 10 September, 2026

    100.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    68.8 °F

  • Average 2021–2026

    76.4 °F

  • Average High 2021–2026

    84.2 °F
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