Callahan Weather Forecast

    • 75
    • 93

    Chance Thunderstorms

    • 74
    • 89

    Chance Thunderstorms

    • 70
    • 87

    Partly Sunny

    • 72
    • 85

    Chance Thunderstorms

    • 72
    • 87

    Rain Showers Likely

    • 72
    • 88

    Chance Thunderstorms

Today 14 Sep Inland Nassau

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 14 Sep Inland Nassau

Mostly clear. Lows in the mid 70s. East Winds around 5 Mph in the Evening, becoming light and variable.

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Callahan Temperature Statistics

September Temperature

Jacksonville International Airport (9.3 miles)

  • Lowest 11 September, 2026

    73.7 °F

  • Average September

    82.9 °F

  • Highest 6 September, 2026

    93.7 °F

Climate (2021–2026)

Jacksonville International Airport (9.3 miles)

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  • Average Low 2021–2026

    60.1 °F

  • Average 2021–2026

    70 °F

  • Average High 2021–2026

    81.4 °F
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