St. Augustine Beach Weather Forecast

    • 79
    • 90

    Slight Chance Thunderstorms

    • 79
    • 90

    Slight Chance Thunderstorms

    • 78
    • 89

    Thunderstorms Likely

    • 77
    • 84

    Rain Showers

    • 79
    • 86

    Thunderstorms Likely

    • 79
    • 87

    Thunderstorms Likely

Today 31 Jul Southeast Coastal St. Johns

Mostly sunny. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the mid 90s. West Winds around 5 Mph, becoming south in the afternoon. Chance of rain 30 percent. Heat index Values up to 113.

Tonight 31 Jul Southeast Coastal St. Johns

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph, becoming southwest after midnight. Chance of rain 20 percent. Heat index Values up to 108 early in the evening.

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St. Augustine Beach Temperature Statistics

July Temperature

Northeast Florida Regional Airport (8.1 miles)

  • Lowest 1 July, 2025

    71.1 °F

  • Average July

    81.5 °F

  • Highest 21 July, 2025

    93.9 °F

Climate (2020–Present)

Northeast Florida Regional Airport (8.1 miles)

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  • Average Low 2020–2025

    63.8 °F

  • Average 2020–2025

    70.8 °F

  • Average High 2020–2025

    78 °F
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