Glendon Weather Forecast

    • 58
    • 84

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 65
    • 86

    Partly Sunny

    • 71
    • 90

    Mostly Sunny

    • 73
    • 95

    Chance Thunderstorms

    • 71
    • 90

    Rain Showers Likely

Today 21 Jul Northampton

Sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 21 Jul Northampton

Clear. Lows in the upper 50s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Glendon Temperature Statistics

July Temperature

Allentown, Lehigh Valley International Airport (11.2 miles)

  • Lowest 5 July, 2025

    56.6 °F

  • Average July

    77.5 °F

  • Highest 8 July, 2025

    91.7 °F

Climate (2020–Present)

Allentown, Lehigh Valley International Airport (11.2 miles)

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  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    63.5 °F
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