Jacksonville Weather Forecast

    • 57
    • 78

    Chance Rain Showers

    • 59
    • 71

    Chance Rain Showers

    • 58
    • 82

    Mostly Sunny

    • 53
    • 84

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 56
    • 74

    Mostly Cloudy

Today 16 Sep Lehigh

Mostly sunny. Highs in the upper 70s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 16 Sep Lehigh

Mostly cloudy with a chance of Showers. Lows in the upper 50s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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Jacksonville Temperature Statistics

September Temperature

Allentown Queen City Municipal Airport (18.6 miles)

  • Lowest 9 September, 2025

    46.4 °F

  • Average September

    67 °F

  • Highest 4 September, 2025

    82.4 °F

Climate (2020–Present)

Allentown Queen City Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    64.1 °F
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