Stewartsville Weather Forecast

    • 31
    • 48

    Increasing Clouds

    • 40
    • 51

    Chance Rain Showers

    • 39
    • 47

    Rain

    • 26
    • 48

    Slight Chance Rain

    • 28
    • 39

    Partly Sunny

    • 29
    • 45

    Mostly Cloudy

    • 29
    • 44

    Mostly Cloudy

Today 8 Jan Warren

Mostly sunny. Highs in the mid 40s. Light and variable Winds.

Tonight 8 Jan Warren

Partly cloudy in the Evening, then becoming mostly cloudy. Cold with Lows around 30. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stewartsville Temperature Statistics

January Temperature

Allentown, Lehigh Valley International Airport (17.4 miles)

  • Lowest 1 January, 2026

    17.1 °F

  • Average January

    27.5 °F

  • Highest 6 January, 2026

    43 °F

Climate (2021–Present)

Allentown, Lehigh Valley International Airport (17.4 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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