Downtown Jacksonville Weather Forecast

    • 77
    • 89

    Slight Chance Thunderstorms

    • 76
    • 90

    Thunderstorms Likely

    • 76
    • 92

    Thunderstorms Likely

    • 76
    • 93

    Thunderstorms

    • 75
    • 89

    Rain Showers

    • 76
    • 88

    Rain Showers Likely

    • 75
    • 88

    Chance Thunderstorms

Today 3 Sep Coastal Duval

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. East Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 3 Sep Coastal Duval

Mostly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 70s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Real-Time

Downtown Jacksonville Temperature Statistics

September Temperature

Jacksonville Naval Air Station (6.2 miles)

  • Lowest 1 September, 2026

    79 °F

  • Average September

    83.5 °F

  • Highest 1 September, 2026

    89.1 °F

Climate (2021–2026)

Jacksonville Naval Air Station (6.2 miles)

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  • Average Low 2021–2026

    65 °F

  • Average 2021–2026

    72.7 °F

  • Average High 2021–2026

    81.3 °F
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