Slatington Airport Weather Forecast

    • 49
    • 74

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 51
    • 73

    Partly Sunny

    • 55
    • 81

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

    • 55
    • 78

    Partly Sunny

Today 8 Sep Lehigh

Sunny. Highs in the lower 70s. North Winds around 5 Mph.

Tonight 8 Sep Lehigh

Clear. Lows in the upper 40s. Northeast Winds around 5 Mph.

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Slatington Airport Temperature Statistics

September Temperature

Allentown, Lehigh Valley International Airport (11.2 miles)

  • Lowest 1 September, 2025

    52 °F

  • Average September

    68.4 °F

  • Highest 4 September, 2025

    82.9 °F

Climate (2020–Present)

Allentown, Lehigh Valley International Airport (11.2 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    63.5 °F
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