Hellertown Weather Forecast

    • 65
    • 88

    Rain Showers Likely

    • 57
    • 81

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

    • 72
    • 90

    Partly Sunny

    • 74
    • 96

    Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

Today 20 Jul Northampton

Patchy fog this morning. Mostly cloudy with a slight chance of Showers and Thunderstorms this Morning, then partly sunny with Showers likely with a chance of Thunderstorms this afternoon. Hot with Highs in the upper 80s. South Winds around 5 Mph, becoming west this afternoon. Chance of rain 60 percent.

Tonight 20 Jul Northampton

Partly cloudy with a chance of Showers and Thunderstorms this Evening, then mostly clear after midnight. Lows in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hellertown Temperature Statistics

July Temperature

Allentown, Lehigh Valley International Airport (6.8 miles)

  • Lowest 5 July, 2025

    56.6 °F

  • Average July

    77.7 °F

  • Highest 8 July, 2025

    91.7 °F

Climate (2020–Present)

Allentown, Lehigh Valley International Airport (6.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    43.8 °F

  • Average 2020–2025

    53.8 °F

  • Average High 2020–2025

    63.5 °F
Get WillyWeather+ to remove ads