Harmony Weather Forecast

    • 21
    • 41

    Mostly Sunny

    • 27
    • 38

    Snow Likely

    • 32
    • 42

    Rain/Snow Likely

    • 28
    • 42

    Chance Snow

    • 33
    • 42

    Chance Rain

    • 27
    • 46

    Chance Rain

Today 21 Dec Warren

Mostly sunny. Highs around 40. Temperature falling into the lower 30s this afternoon. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 21 Dec Warren

Mostly clear. Cold with Lows in the lower 20s. Northwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Harmony Temperature Statistics

December Temperature

Allentown, Lehigh Valley International Airport (17.4 miles)

  • Lowest 9 December, 2025

    8.1 °F

  • Average December

    28.8 °F

  • Highest 19 December, 2025

    59 °F

Climate (2020–Present)

Allentown, Lehigh Valley International Airport (17.4 miles)

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  • Average Low 2020–2025

    43.7 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    63.5 °F
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