Riverside (St Johns River) Weather Forecast

    • 53
    • 65

    Rain Showers Likely

    • 56
    • 64

    Rain Showers

    • 46
    • 66

    Mostly Cloudy

    • 43
    • 61

    Mostly Sunny

    • 46
    • 68

    Mostly Sunny

    • 51
    • 71

    Mostly Sunny

Today 6 Dec South Central Duval

Mostly cloudy. Patchy fog this morning. A slight chance of Showers this afternoon. Cooler with Highs in the mid 60s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 6 Dec South Central Duval

Showers likely. Patchy fog. Near steady temperature in the mid 50s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Riverside (St Johns River) Temperature Statistics

December Temperature

Jacksonville Naval Air Station (5 miles)

  • Lowest 3 December, 2025

    52 °F

  • Average December

    63.6 °F

  • Highest 2 December, 2025

    77 °F

Climate (2020–Present)

Jacksonville Naval Air Station (5 miles)

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  • Average Low 2020–2025

    64.9 °F

  • Average 2020–2025

    72.5 °F

  • Average High 2020–2025

    81 °F
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