Jefferson Weather Forecast

    • 78
    • 93

    Chance Thunderstorms

    • 78
    • 93

    Becoming Sunny

    • 78
    • 94

    Mostly Sunny

    • 77
    • 92

    Mostly Sunny

    • 76
    • 89

    Partly Sunny

    • 76
    • 90

    Partly Sunny

    • 75
    • 90

    Partly Sunny

Today 21 Sep Upper Jefferson

Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent.

Tonight 21 Sep Upper Jefferson

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then mostly clear after midnight. Lows in the upper 70s. Northeast Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jefferson Temperature Statistics

September Temperature

New Orleans, New Orleans International Airport (5.6 miles)

  • Lowest 19 September, 2026

    73 °F

  • Average September

    84 °F

  • Highest 14 September, 2026

    94.6 °F

Climate (2021–2026)

New Orleans, New Orleans International Airport (5.6 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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