Lake Machias Weather Forecast

    • 83
    • 89

    Slight Chance Thunderstorms

    • 84
    • 89

    Mostly Sunny

    • 84
    • 89

    Mostly Sunny

    • 84
    • 89

    Slight Chance Thunderstorms

    • 84
    • 89

    Mostly Sunny

    • 84
    • 89

    Mostly Sunny

Today 19 Aug Lower St. Bernard

Mostly sunny. A slight chance of Showers and Thunderstorms. Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 110.

Tonight 19 Aug Lower St. Bernard

Partly cloudy. Humid with Lows in the lower 80s. Southwest Winds 5 to 10 Mph. Heat index Values up to 108 early.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Machias Temperature Statistics

August Temperature

New Orleans Naval Air Station - Alvin Callender Field (32.3 miles)

  • Lowest 3 August, 2026

    72 °F

  • Average August

    82.7 °F

  • Highest 1 August, 2026

    93.9 °F

Climate (2021–2026)

New Orleans Naval Air Station - Alvin Callender Field (32.3 miles)

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  • Average Low 2021–2026

    62.3 °F

  • Average 2021–2026

    71 °F

  • Average High 2021–2026

    79.3 °F
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