Southwest Jacksonville Weather Forecast

    • 42
    • 69

    Increasing Clouds

    • 48
    • 72

    Mostly Sunny

    • 51
    • 68

    Partly Sunny

    • 49
    • 74

    Mostly Sunny

    • 48
    • 74

    Partly Sunny

    • 49
    • 75

    Mostly Sunny

Today 20 Dec Western Duval

Patchy frost in the morning. Sunny. Highs in the upper 60s. Northeast Winds around 5 Mph.

Tonight 20 Dec Western Duval

Mostly clear in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 40s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Southwest Jacksonville Temperature Statistics

December Temperature

Cecil Airport (3.1 miles)

  • Lowest 12 December, 2025

    30.2 °F

  • Average December

    51.9 °F

  • Highest 5 December, 2025

    80.6 °F

Climate (2020–Present)

Cecil Airport (3.1 miles)

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

  • Average Low 2020–2025

    58 °F

  • Average 2020–2025

    67 °F

  • Average High 2020–2025

    83 °F
Get WillyWeather+ to remove ads