Intracoastal Waterway - Guana River Weather Forecast

    • 78
    • 89

    Slight Chance Thunderstorms

    • 77
    • 90

    Chance Thunderstorms

    • 77
    • 91

    Chance Thunderstorms

    • 78
    • 90

    Chance Thunderstorms

    • 76
    • 90

    Chance Thunderstorms

    • 78
    • 88

    Chance Thunderstorms

Today 19 Jul Northeast Coastal St. Johns

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 90s. South Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 106.

Tonight 19 Jul Northeast Coastal St. Johns

Partly cloudy. Lows in the upper 70s. South Winds 5 to 10 Mph.

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Intracoastal Waterway - Guana River Temperature Statistics

July Temperature

Northeast Florida Regional Airport (1.9 miles)

  • Lowest 2 July, 2026

    72 °F

  • Average July

    81.6 °F

  • Highest 7 July, 2026

    93 °F

Climate (2021–2026)

Northeast Florida Regional Airport (1.9 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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