Matanzas River Mouth (St Augustine Inlet) Weather Forecast

    • 46
    • 71

    Breezy

    • 51
    • 55

    Breezy

    • 55
    • 62

    Mostly Sunny

    • 61
    • 67

    Mostly Cloudy

    • 62
    • 71

    Partly Sunny

    • 62
    • 71

    Partly Sunny

Today 14 Dec Southeast Coastal St. Johns

Mostly sunny. Highs in the lower 70s. West Winds 5 to 10 Mph, increasing to northwest 15 to 20 Mph with Gusts up to 30 Mph this afternoon.

Tonight 14 Dec Southeast Coastal St. Johns

Mostly clear and breezy. Lows in the mid 40s. North Winds 20 to 25 Mph with Gusts up to 40 Mph.

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Matanzas River Mouth (St Augustine Inlet) Temperature Statistics

December Temperature

Northeast Florida Regional Airport (4.3 miles)

  • Lowest 4 December, 2025

    46.9 °F

  • Average December

    60.3 °F

  • Highest 2 December, 2025

    81 °F

Climate (2020–Present)

Northeast Florida Regional Airport (4.3 miles)

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  • Average Low 2020–2025

    63.6 °F

  • Average 2020–2025

    70.7 °F

  • Average High 2020–2025

    77.9 °F
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