Reynolds Metal Company Reservoir Weather Forecast

    • 84
    • 93

    Slight Chance Thunderstorms

    • 84
    • 93

    Mostly Sunny

    • 84
    • 93

    Mostly Sunny

    • 83
    • 91

    Rain Showers Likely

    • 82
    • 90

    Chance Thunderstorms

    • 81
    • 89

    Chance Thunderstorms

Today 13 Sep Coastal San Patricio

Partly cloudy with a slight chance of Showers and Thunderstorms this Morning, then sunny this afternoon. Highs in the mid 90s. South Winds 10 to 15 Mph, increasing to southeast 15 to 20 Mph with Gusts up to 30 Mph this afternoon. Chance of rain 20 percent. Heat index Values up to 114.

Tonight 13 Sep Coastal San Patricio

Partly cloudy. Lows in the lower 80s. Southeast Winds 15 to 20 Mph, becoming south 10 to 15 Mph after midnight.

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Reynolds Metal Company Reservoir Temperature Statistics

September Temperature

Port Aransas, Mustang Beach Airport (12.4 miles)

  • Lowest 1 September, 2026

    82.2 °F

  • Average September

    86.4 °F

  • Highest 8 September, 2026

    90.9 °F

Climate (2021–2026)

Port Aransas, Mustang Beach Airport (12.4 miles)

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  • Average Low 2021–2026

    69.5 °F

  • Average 2021–2026

    73.9 °F

  • Average High 2021–2026

    78.7 °F
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