Harahan Weather Forecast

    • 75
    • 90

    Mostly Sunny

    • 76
    • 93

    Sunny

    • 77
    • 93

    Mostly Sunny

    • 77
    • 93

    Slight Chance Thunderstorms

    • 77
    • 93

    Slight Chance Thunderstorms

    • 77
    • 92

    Mostly Sunny

Today 18 Sep Upper Jefferson

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

Tonight 18 Sep Upper Jefferson

Clear. Lows in the mid 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Harahan Temperature Statistics

September Temperature

New Orleans, New Orleans International Airport (4.3 miles)

  • Lowest 4 September, 2026

    74.6 °F

  • Average September

    83.8 °F

  • Highest 8 September, 2026

    93.7 °F

Climate (2021–2026)

New Orleans, New Orleans International Airport (4.3 miles)

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  • Average Low 2021–2026

    64.7 °F

  • Average 2021–2026

    72.4 °F

  • Average High 2021–2026

    80.6 °F
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