Saint Johns River - Great Marsh Island Weather Forecast

    • 67
    • 89

    Increasing Clouds

    • 63
    • 85

    Rain Showers Likely

    • 59
    • 70

    Chance Rain Showers

    • 60
    • 72

    Mostly Sunny

    • 62
    • 79

    Mostly Sunny

    • 64
    • 80

    Mostly Sunny

Today 20 Apr Coastal Duval

Sunny. Highs in the upper 80s. West Winds 5 to 10 Mph.

Tonight 20 Apr Coastal Duval

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Johns River - Great Marsh Island Temperature Statistics

April Temperature

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

  • Lowest 5 April, 2024

    52.6 °F
  • Average April

    70.7 °F
  • Highest 11 April, 2024

    86.6 °F

Climate (2019–Present)

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

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2019–2024

    65.2 °F
  • Average 2019–2024

    71.8 °F
  • Average High 2019–2024

    79.1 °F
Get an account to remove ads