Stewartsville Weather Forecast

    • 21
    • 43

    Mostly Cloudy

    • 40
    • 47

    Mostly Cloudy

    • 25
    • 52

    Rain Likely

    • 29
    • 38

    Mostly Cloudy

    • 25
    • 44

    Partly Sunny

    • 24
    • 37

    Mostly Cloudy

Today 17 Dec Warren

Partly sunny. Not as cool with Highs in the lower 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 17 Dec Warren

Partly cloudy in the Evening, then becoming mostly cloudy. Cold with Lows around 20. West Winds around 5 Mph in the Evening, becoming light and variable.

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Stewartsville Temperature Statistics

December Temperature

Allentown, Lehigh Valley International Airport (17.4 miles)

  • Lowest 9 December, 2025

    8.1 °F

  • Average December

    28.3 °F

  • Highest 1 December, 2025

    41 °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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