Fort Matanzas National Monument Weather Forecast

    • 76
    • 86

    Thunderstorms Likely

    • 74
    • 92

    Rain Showers Likely

    • 76
    • 88

    Rain Showers

    • 77
    • 82

    Rain Showers Likely

    • 76
    • 83

    Chance Thunderstorms

    • 75
    • 84

    Chance Thunderstorms

Today 5 Sep Southeast Coastal St. Johns

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southwest Winds around 5 Mph, becoming southeast around 5 Mph in the afternoon. Chance of rain 50 percent. Heat index Values up to 107.

Tonight 5 Sep Southeast Coastal St. Johns

Mostly cloudy. Lows in the mid 70s. South Winds around 5 Mph.

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  • Temperature Real-Time

Fort Matanzas National Monument Temperature Statistics

September Temperature

Flagler County Airport (16.8 miles)

  • Lowest 1 September, 2026

    74.3 °F

  • Average September

    79.4 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Flagler County Airport (16.8 miles)

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  • Average Low 2021–2026

    61.4 °F

  • Average 2021–2026

    67.7 °F

  • Average High 2021–2026

    79.7 °F
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