Brentwood Weather Forecast

    • 70
    • 89

    Partly Sunny

    • 72
    • 88

    Mostly Sunny

    • 73
    • 86

    Chance Thunderstorms

    • 73
    • 86

    Chance Thunderstorms

    • 73
    • 86

    Chance Thunderstorms

    • 73
    • 89

    Chance Thunderstorms

Today 18 Sep Coastal Duval

Sunny. Highs in the upper 80s. North Winds 5 to 10 Mph, becoming east 10 to 15 Mph in the afternoon.

Tonight 18 Sep Coastal Duval

Partly cloudy. Lows in the upper 60s. South Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Brentwood Temperature Statistics

September Temperature

Jacksonville International Airport (8.7 miles)

  • Lowest 15 September, 2025

    60.1 °F

  • Average September

    76.4 °F

  • Highest 6 September, 2025

    91 °F

Climate (2020–Present)

Jacksonville International Airport (8.7 miles)

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

  • Average Low 2020–2025

    60.1 °F

  • Average 2020–2025

    69.5 °F

  • Average High 2020–2025

    80.7 °F
Get WillyWeather+ to remove ads