Seaside Weather Forecast

    • 76
    • 90

    Chance Thunderstorms

    • 76
    • 89

    Chance Thunderstorms

    • 78
    • 88

    Rain Showers Likely

    • 78
    • 87

    Chance Thunderstorms

    • 78
    • 86

    Chance Thunderstorms

    • 77
    • 88

    Chance Thunderstorms

Today 4 Aug Northeast Coastal St. Johns

Partly sunny with a chance of Showers and Thunderstorms. Highs around 90. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 105.

Tonight 4 Aug Northeast Coastal St. Johns

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 70s. South Winds 10 to 15 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaside Temperature Statistics

August Temperature

Northeast Florida Regional Airport (13.7 miles)

  • Lowest 1 August, 2026

    78.1 °F

  • Average August

    80.8 °F

  • Highest 1 August, 2026

    90 °F

Climate (2021–2026)

Northeast Florida Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    63.7 °F

  • Average 2021–2026

    70.8 °F

  • Average High 2021–2026

    78.1 °F
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