Fort George River Weather Forecast

    • 79
    • 89

    Chance Thunderstorms

    • 79
    • 90

    Chance Thunderstorms

    • 80
    • 91

    Partly Sunny

    • 80
    • 93

    Slight Chance Thunderstorms

    • 81
    • 93

    Slight Chance Thunderstorms

    • 81
    • 92

    Slight Chance Thunderstorms

Today 14 Aug Coastal Duval

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 90s. West Winds around 5 Mph, becoming south in the afternoon. Chance of rain 50 percent. Heat index Values up to 110.

Tonight 14 Aug Coastal Duval

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 105 early in the evening.

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Fort George River Temperature Statistics

August Temperature

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

  • Lowest 8 August, 2026

    73.9 °F

  • Average August

    81.3 °F

  • Highest 11 August, 2026

    93.9 °F

Climate (2021–2026)

Mayport Naval Station - Adm David L. McDonald Field (2.5 miles)

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    72.7 °F

  • Average High 2021–2026

    80.1 °F
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