Seaside Weather Forecast

    • 51
    • 63

    Decreasing Clouds

    • 49
    • 67

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 62
    • 83

    Partly Sunny

    • 61
    • 73

    Slight Chance Thunderstorms

    • 61
    • 74

    Partly Sunny

Today 19 Mar Northeast Coastal St. Johns

Mostly sunny. Highs in the mid 60s. Northeast Winds 15 to 20 Mph.

Tonight 19 Mar Northeast Coastal St. Johns

Partly cloudy this Evening, then clearing. Lows in the lower 50s. Northeast Winds 10 to 15 Mph.

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  • Temperature Real-Time

Seaside Temperature Statistics

March Temperature

Northeast Florida Regional Airport (13.7 miles)

  • Lowest 16 March, 2026

    54 °F

  • Average March

    67.8 °F

  • Highest 11 March, 2026

    82.9 °F

Climate (2021–Present)

Northeast Florida Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    63.6 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    77.9 °F
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