Grand Lake Weather Forecast

    • 67
    • 84

    Chance Thunderstorms

    • 62
    • 80

    Rain Showers Likely

    • 60
    • 81

    Mostly Sunny

    • 64
    • 85

    Sunny

    • 64
    • 87

    Partly Sunny

    • 65
    • 87

    Mostly Sunny

Today 10 May Avoyelles

Areas of fog in the morning. Partly sunny in the Morning, then sunny with a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 10 May Avoyelles

A chance of Thunderstorms in the evening. Partly cloudy with a chance of Showers. Lows in the upper 60s. East Winds around 5 Mph, becoming northeast after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Lake Temperature Statistics

May Temperature

New Roads False River Regional Airport (34.8 miles)

  • Lowest 4 May, 2026

    52.9 °F

  • Average May

    66.9 °F

  • Highest 6 May, 2026

    85.6 °F

Climate (2021–Present)

New Roads False River Regional Airport (34.8 miles)

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  • Average Low 2021–2026

    59.1 °F

  • Average 2021–2026

    68.1 °F

  • Average High 2021–2026

    78.8 °F
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