Downtown Jacksonville Weather Forecast

    • 72
    • 87

    Mostly Sunny

    • 73
    • 86

    Slight Chance Thunderstorms

    • 73
    • 85

    Slight Chance Thunderstorms

    • 73
    • 85

    Chance Thunderstorms

    • 73
    • 87

    Chance Thunderstorms

    • 73
    • 89

    Chance Thunderstorms

Today 19 Sep Coastal Duval

Sunny. Highs in the mid 80s. Northeast Winds 10 to 15 Mph.

Tonight 19 Sep Coastal Duval

Mostly clear. Lows in the lower 70s. Northeast Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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Downtown Jacksonville Temperature Statistics

September Temperature

Jacksonville Naval Air Station (6.2 miles)

  • Lowest 15 September, 2025

    69.1 °F

  • Average September

    78.1 °F

  • Highest 5 September, 2025

    90 °F

Climate (2020–Present)

Jacksonville Naval Air Station (6.2 miles)

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  • Average Low 2020–2025

    65.1 °F

  • Average 2020–2025

    72.6 °F

  • Average High 2020–2025

    81 °F
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