Seminole Beach Weather Forecast

    • 78
    • 94

    Chance Thunderstorms

    • 79
    • 94

    Chance Thunderstorms

    • 79
    • 94

    Slight Chance Thunderstorms

    • 80
    • 95

    Partly Sunny

    • 79
    • 90

    Chance Thunderstorms

    • 80
    • 92

    Slight Chance Thunderstorms

Today 12 Aug Coastal Duval

Sunny late this Morning, then becoming partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 108.

Tonight 12 Aug Coastal Duval

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seminole Beach Temperature Statistics

August Temperature

Mayport Naval Station - Adm David L. McDonald Field (1.2 miles)

  • Lowest 8 August, 2026

    73.9 °F

  • Average August

    80.9 °F

  • Highest 1 August, 2026

    89.1 °F

Climate (2021–2026)

Mayport Naval Station - Adm David L. McDonald Field (1.2 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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