Lehigh Valley International Airport Weather Forecast

    • 27
    • 32

    Gradual Clearing

    • 21
    • 41

    Partly Sunny

    • 7
    • 31

    Partly Sunny

    • 8
    • 16

    Snow Likely

    • 10
    • 17

    Snow Likely

    • 4
    • 23

    Slight Chance Snow

Today 21 Jan Lehigh

Sunny this Morning, then becoming mostly cloudy. Not as cold with Highs in the lower 30s. South Winds 5 to 10 Mph.

Tonight 21 Jan Lehigh

Mostly cloudy in the Evening, then becoming partly cloudy. Not as cold. Near steady temperature in the upper 20s. Southwest Winds 5 to 10 Mph.

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Lehigh Valley International Airport Temperature Statistics

January Temperature

Allentown, Lehigh Valley International Airport (0 miles)

  • Lowest 19 January, 2026

    10.9 °F

  • Average January

    31.4 °F

  • Highest 8 January, 2026

    51.1 °F

Climate (2021–Present)

Allentown, Lehigh Valley International Airport (0 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.4 °F
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