Nassau Sound - Simpson Creek Entrance Weather Forecast

    • 75
    • 90

    Mostly Sunny

    • 77
    • 86

    Mostly Sunny

    • 76
    • 86

    Chance Thunderstorms

    • 75
    • 87

    Chance Thunderstorms

    • 75
    • 85

    Rain Showers Likely

    • 75
    • 83

    Thunderstorms Likely

Today 26 Aug Coastal Duval

Sunny. Highs in the lower 90s. North Winds 5 to 10 Mph.

Tonight 26 Aug Coastal Duval

Mostly clear. Lows in the mid 70s. West Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Sound - Simpson Creek Entrance Temperature Statistics

August Temperature

Mayport Naval Station - Adm David L. McDonald Field (6.2 miles)

  • Lowest 3 August, 2025

    74.6 °F

  • Average August

    83.5 °F

  • Highest 1 August, 2025

    96.7 °F

Climate (2020–Present)

Mayport Naval Station - Adm David L. McDonald Field (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    65.8 °F

  • Average 2020–2025

    72.8 °F

  • Average High 2020–2025

    80.1 °F
Get WillyWeather+ to remove ads