Atchafalaya National Wildlife Refuge Weather Forecast

    • 69
    • 93

    Sunny

    • 73
    • 95

    Sunny

    • 74
    • 96

    Mostly Sunny

    • 74
    • 96

    Slight Chance Thunderstorms

    • 74
    • 97

    Slight Chance Thunderstorms

    • 73
    • 95

    Mostly Sunny

Today 18 Sep Upper St. Martin

Sunny. Highs in the lower 90s. Northeast Winds 5 to 10 Mph.

Tonight 18 Sep Upper St. Martin

Clear. Lows in the upper 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Atchafalaya National Wildlife Refuge Temperature Statistics

September Temperature

New Roads False River Regional Airport (21.7 miles)

  • Lowest 8 September, 2026

    72.3 °F

  • Average September

    81.1 °F

  • Highest 15 September, 2026

    94.6 °F

Climate (2021–2026)

New Roads False River Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    59.3 °F

  • Average 2021–2026

    68.4 °F

  • Average High 2021–2026

    79.1 °F
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