Saint Johns River - Julington Creek Weather Forecast

    • 78
    • 90

    Chance Thunderstorms

    • 78
    • 90

    Partly Sunny

    • 77
    • 87

    Chance Thunderstorms

    • 76
    • 84

    Partly Sunny

    • 75
    • 84

    Chance Thunderstorms

    • 75
    • 85

    Rain Showers Likely

    • 75
    • 86

    Chance Thunderstorms

Today 13 Sep South Central Duval

Showers likely with a chance of Thunderstorms. Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 60 percent. Heat index Values up to 106.

Tonight 13 Sep South Central Duval

Mostly cloudy with a chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the upper 70s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 50 percent.

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Saint Johns River - Julington Creek Temperature Statistics

September Temperature

Jacksonville Naval Air Station (7.5 miles)

  • Lowest 6 September, 2026

    73.9 °F

  • Average September

    81.8 °F

  • Highest 6 September, 2026

    91.9 °F

Climate (2021–2026)

Jacksonville Naval Air Station (7.5 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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