Intracoastal Waterway - Guana River Weather Forecast

    • 60
    • 66

    Rain Showers

    • 50
    • 73

    Rain Showers

    • 50
    • 69

    Mostly Sunny

    • 53
    • 71

    Mostly Sunny

    • 58
    • 73

    Partly Sunny

    • 62
    • 73

    Partly Sunny

    • 65
    • 76

    Partly Sunny

Today 9 Mar Coastal St. Johns

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Some Thunderstorms may produce gusty Winds and heavy rainfall. Highs in the upper 60s. East Winds 5 to 10 Mph, becoming northeast 10 to 15 Mph with Gusts up to 25 Mph this afternoon. Chance of rain 50 percent.

Tonight 9 Mar Coastal St. Johns

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers this Evening, then Showers likely after midnight. Lows in the lower 60s. Northeast Winds 5 to 10 Mph, becoming southeast after midnight. Chance of rain 70 percent.

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Intracoastal Waterway - Guana River Temperature Statistics

March Temperature

Northeast Florida Regional Airport (1.9 miles)

  • Lowest 7 March, 2025

    44.1 °F

  • Average March

    61.3 °F

  • Highest 5 March, 2025

    78.1 °F

Climate (2020–Present)

Northeast Florida Regional Airport (1.9 miles)

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  • Average Low 2020–2025

    63.8 °F

  • Average 2020–2025

    70.8 °F

  • Average High 2020–2025

    78.1 °F
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