Mertztown Weather Forecast

    • 61
    • 80

    Increasing Clouds

    • 62
    • 77

    Rain Showers Likely

    • 58
    • 81

    Chance Thunderstorms

    • 57
    • 78

    Mostly Sunny

    • 59
    • 78

    Mostly Sunny

    • 64
    • 81

    Chance Rain Showers

Today 21 Aug Berks

Sunny. Highs around 80. Northeast Winds 5 to 10 Mph.

Tonight 21 Aug Berks

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the lower 60s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mertztown Temperature Statistics

August Temperature

Allentown Queen City Municipal Airport (9.9 miles)

  • Lowest 4 August, 2026

    59 °F

  • Average August

    75.9 °F

  • Highest 7 August, 2026

    91.4 °F

Climate (2021–2026)

Allentown Queen City Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    64 °F
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