Lehigh Valley International Airport Weather Forecast

    • 41
    • 57

    Mostly Cloudy

    • 43
    • 69

    Rain Showers Likely

    • 28
    • 47

    Chance Rain Showers

    • 33
    • 49

    Mostly Cloudy

    • 30
    • 49

    Partly Sunny

    • 36
    • 55

    Chance Rain

Today 21 Mar Lehigh

Mostly sunny. Highs in the mid 50s. Northwest Winds 5 to 10 Mph.

Tonight 21 Mar Lehigh

Mostly cloudy. Lows in the lower 40s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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Lehigh Valley International Airport Temperature Statistics

March Temperature

Allentown, Lehigh Valley International Airport (0 miles)

  • Lowest 2 March, 2026

    16.6 °F

  • Average March

    43 °F

  • Highest 10 March, 2026

    80.7 °F

Climate (2021–Present)

Allentown, Lehigh Valley International Airport (0 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.4 °F
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