St. Augustine Beach Weather Forecast

    • 75
    • 87

    Chance Thunderstorms

    • 75
    • 87

    Chance Thunderstorms

    • 75
    • 88

    Chance Thunderstorms

    • 75
    • 86

    Chance Thunderstorms

    • 75
    • 86

    Chance Thunderstorms

    • 75
    • 85

    Chance Thunderstorms

Today 21 Aug St. Johns

Partly cloudy. Slight chance of Showers and Thunderstorms in the Morning, then chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of rain 50 percent. Heat index Readings 98 to 102.

Tonight 21 Aug St. Johns

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. Southwest Winds 5 to 10 Mph.

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St. Augustine Beach Temperature Statistics

August Temperature

St. Augustine, St. Augustine Airport (8.1 miles)

  • Lowest 2 August, 2018

    71.6 °F
  • Average August

    80.5 °F
  • Highest 9 August, 2018

    91.4 °F

Climate (2010–Present)

St. Augustine, St. Augustine Airport (8.1 miles)

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  • Average Low 2010–Present

    63.5 °F
  • Average 2010–Present

    70.8 °F
  • Average High 2010–Present

    78.2 °F
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