Beltzville Lake Weather Forecast

    • 59
    • 79

    Slight Chance Rain Showers

    • 48
    • 71

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 60
    • 79

    Partly Sunny

    • 62
    • 82

    Slight Chance Rain Showers

    • 56
    • 78

    Chance Rain Showers

    • 57
    • 74

    Chance Rain Showers

Today 13 Sep Carbon

Mostly sunny. Near steady temperature in the mid 70s. West Winds around 5 Mph.

Tonight 13 Sep Carbon

Partly cloudy this Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the mid 50s. West Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beltzville Lake Temperature Statistics

September Temperature

Allentown, Lehigh Valley International Airport (16.8 miles)

  • Lowest 7 September, 2026

    53.7 °F

  • Average September

    72.8 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Allentown, Lehigh Valley International Airport (16.8 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.6 °F
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