Hellertown Weather Forecast

    • -1
    • 17

    Increasing Clouds

    • 5
    • 21

    Partly Sunny

    • 12
    • 23

    Partly Sunny

    • 12
    • 30

    Partly Sunny

    • 12
    • 31

    Partly Sunny

    • 11
    • 29

    Mostly Cloudy

Today 30 Jan Northampton

Mostly sunny. Cold with Highs around 15. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 14 below in the morning.

Tonight 30 Jan Northampton

Partly cloudy. Cold with Lows around 6 below. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hellertown Temperature Statistics

January Temperature

Allentown, Lehigh Valley International Airport (6.8 miles)

  • Lowest 21 January, 2026

    -8.4 °F

  • Average January

    27.4 °F

  • Highest 8 January, 2026

    52.6 °F

Climate (2021–Present)

Allentown, Lehigh Valley International Airport (6.8 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.4 °F
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