St Johns Weather Forecast

    • 71
    • 91

    Mostly Cloudy

    • 72
    • 88

    Chance Thunderstorms

    • 75
    • 88

    Chance Thunderstorms

    • 75
    • 89

    Chance Thunderstorms

    • 74
    • 88

    Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

Today 29 Sep Western St. Johns

Partly sunny. A slight chance of Showers this afternoon. Highs around 90. Southwest Winds around 5 Mph, becoming southeast this afternoon. Chance of rain 20 percent.

Tonight 29 Sep Western St. Johns

Mostly cloudy. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Johns Temperature Statistics

September Temperature

Jacksonville Naval Air Station (11.8 miles)

  • Lowest 27 September, 2026

    63 °F

  • Average September

    80.1 °F

  • Highest 14 September, 2026

    93 °F

Climate (2021–2026)

Jacksonville Naval Air Station (11.8 miles)

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  • Average Low 2021–2026

    65 °F

  • Average 2021–2026

    72.7 °F

  • Average High 2021–2026

    81.3 °F
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