McCampbell Slough Weather Forecast

    • 81
    • 93

    Slight Chance Thunderstorms

    • 82
    • 94

    Chance Rain Showers

    • 82
    • 95

    Mostly Sunny

    • 82
    • 94

    Partly Sunny

    • 82
    • 95

    Partly Sunny

    • 82
    • 95

    Slight Chance Thunderstorms

Today 9 Sep Coastal San Patricio

Partly cloudy this Morning, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers, mainly this morning. Highs in the lower 90s. Southeast Winds around 5 Mph, increasing to 5 to 10 Mph this afternoon. Chance of rain 50 percent. Heat index Values up to 110.

Tonight 9 Sep Coastal San Patricio

Partly cloudy this Evening, then mostly clear with a slight chance of Showers and Thunderstorms after midnight. Lows in the lower 80s. Southeast Winds 10 to 15 Mph, becoming south 5 to 10 Mph after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McCampbell Slough Temperature Statistics

September Temperature

Port Aransas, Mustang Beach Airport (11.8 miles)

  • Lowest 1 September, 2026

    82.2 °F

  • Average September

    86.3 °F

  • Highest 6 September, 2026

    90.7 °F

Climate (2021–2026)

Port Aransas, Mustang Beach Airport (11.8 miles)

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  • Average Low 2021–2026

    69.4 °F

  • Average 2021–2026

    73.9 °F

  • Average High 2021–2026

    78.7 °F
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