Coopersburg Weather Forecast

    • 55
    • 80

    Mostly Sunny

    • 60
    • 81

    Increasing Clouds

    • 69
    • 85

    Partly Sunny

    • 61
    • 83

    Chance Rain Showers

    • 56
    • 77

    Mostly Sunny

    • 62
    • 79

    Chance Rain Showers

    • 61
    • 81

    Partly Sunny

Today 7 Sep Lehigh

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

Tonight 7 Sep Lehigh

Partly cloudy this Evening, then becoming mostly clear. Lows in the mid 50s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Coopersburg Temperature Statistics

September Temperature

Quakertown Airport (5 miles)

  • Lowest 5 September, 2026

    62.6 °F

  • Average September

    73.8 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

Quakertown Airport (5 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.4 °F
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