Grand Lake Weather Forecast

    • 74
    • 95

    Slight Chance Thunderstorms

    • 75
    • 94

    Slight Chance Thunderstorms

    • 75
    • 94

    Slight Chance Thunderstorms

    • 75
    • 96

    Mostly Sunny

    • 74
    • 95

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

Today 9 Aug Avoyelles

Sunny. Patchy fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. Light and variable Winds, becoming southeast around 5 Mph this afternoon. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 9 Aug Avoyelles

Partly cloudy in the Evening, then becoming mostly clear. Patchy fog after midnight. Humid with Lows in the mid 70s. South Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Lake Temperature Statistics

August Temperature

New Roads False River Regional Airport (34.8 miles)

  • Lowest 3 August, 2026

    72.1 °F

  • Average August

    82.3 °F

  • Highest 1 August, 2026

    95.5 °F

Climate (2021–2026)

New Roads False River Regional Airport (34.8 miles)

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  • Average Low 2021–2026

    59.2 °F

  • Average 2021–2026

    68.3 °F

  • Average High 2021–2026

    78.9 °F
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