Matanzas River Mouth (St Augustine Inlet) Weather Forecast

    • 79
    • 93

    Chance Thunderstorms

    • 78
    • 86

    Mostly Sunny

    • 79
    • 87

    Slight Chance Thunderstorms

    • 78
    • 89

    Slight Chance Thunderstorms

    • 78
    • 89

    Slight Chance Thunderstorms

    • 79
    • 91

    Mostly Sunny

    • 77
    • 90

    Slight Chance Thunderstorms

Today 23 Jun Southeast Coastal St. Johns

Sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 90s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent. Heat index Values up to 110.

Tonight 23 Jun Southeast Coastal St. Johns

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 70s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Matanzas River Mouth (St Augustine Inlet) Temperature Statistics

June Temperature

Northeast Florida Regional Airport (4.3 miles)

  • Lowest 5 June, 2026

    68 °F

  • Average June

    79.6 °F

  • Highest 14 June, 2026

    93 °F

Climate (2021–2026)

Northeast Florida Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    63.7 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    78 °F
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