St Johns Weather Forecast

    • 68
    • 87

    Decreasing Clouds

    • 70
    • 90

    Mostly Sunny

    • 72
    • 89

    Slight Chance Thunderstorms

    • 74
    • 88

    Chance Rain Showers

    • 74
    • 86

    Chance Thunderstorms

    • 73
    • 87

    Chance Thunderstorms

    • 73
    • 90

    Chance Thunderstorms

Today 17 Sep Western St. Johns

Mostly sunny. Highs in the upper 80s. East Winds 5 to 10 Mph.

Tonight 17 Sep Western St. Johns

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the upper 60s. 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 15 September, 2025

    69.1 °F

  • Average September

    78.2 °F

  • Highest 5 September, 2025

    90 °F

Climate (2020–Present)

Jacksonville Naval Air Station (11.8 miles)

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  • Average Low 2020–2025

    65.1 °F

  • Average 2020–2025

    72.6 °F

  • Average High 2020–2025

    81 °F
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