St Augustine South Weather Forecast

    • 75
    • 94

    Chance Thunderstorms

    • 76
    • 95

    Partly Sunny

    • 76
    • 94

    Mostly Sunny

    • 76
    • 93

    Partly Sunny

    • 76
    • 92

    Slight Chance Thunderstorms

    • 76
    • 91

    Chance Thunderstorms

Today 21 Jul Southeast Coastal St. Johns

Sunny. Highs in the mid 90s. South Winds 15 to 20 Mph. Heat index Values up to 105.

Tonight 21 Jul Southeast Coastal St. Johns

Partly cloudy. Lows in the upper 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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St Augustine South Temperature Statistics

July Temperature

Northeast Florida Regional Airport (8.1 miles)

  • Lowest 2 July, 2026

    72 °F

  • Average July

    81.5 °F

  • Highest 7 July, 2026

    93 °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 °F
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