Jacksonville Weather Forecast

    • 74
    • 90

    Slight Chance Thunderstorms

    • 72
    • 90

    Rain Showers Likely

    • 64
    • 92

    Chance Thunderstorms

    • 63
    • 85

    Mostly Sunny

    • 64
    • 85

    Mostly Sunny

    • 67
    • 86

    Mostly Sunny

    • 69
    • 88

    Slight Chance Thunderstorms

Today 12 Sep Inland Onslow

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 12 Sep Inland Onslow

Mostly cloudy. A slight chance of Showers this evening. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jacksonville Temperature Statistics

September Temperature

MCAS New River (3.1 miles)

  • Lowest 8 September, 2026

    66 °F

  • Average September

    79.5 °F

  • Highest 5 September, 2026

    96.1 °F

Climate (2021–2026)

MCAS New River (3.1 miles)

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  • Average Low 2021–2026

    54.4 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    73.6 °F
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