St. Augustine Beach Weather Forecast

    • 75
    • 87

    Thunderstorms Likely

    • 76
    • 85

    Thunderstorms

    • 76
    • 85

    Rain Showers

    • 76
    • 87

    Thunderstorms Likely

    • 76
    • 87

    Chance Thunderstorms

    • 77
    • 87

    Slight Chance Thunderstorms

Today 31 Jul Southeast Coastal St. Johns

Mostly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Values up to 107.

Tonight 31 Jul Southeast Coastal St. Johns

Showers likely. Thunderstorms Likely, mainly in the evening. Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.

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St. Augustine Beach Temperature Statistics

July Temperature

Northeast Florida Regional Airport (8.1 miles)

  • Lowest 2 July, 2026

    72 °F

  • Average July

    82.1 °F

  • Highest 26 July, 2026

    93.9 °F

Climate (2021–2026)

Northeast Florida Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    63.7 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    78.1 °F
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