Stewartsville Weather Forecast

    • 25
    • 50

    Becoming Sunny

    • 40
    • 54

    Chance Rain Showers

    • 43
    • 65

    Slight Chance Rain Showers

    • 45
    • 70

    Partly Sunny

    • 45
    • 69

    Chance Rain Showers

    • 45
    • 59

    Chance Rain Showers

    • 43
    • 61

    Chance Rain Showers

Today 20 Apr Warren

Patchy frost this morning. Mostly sunny. Highs in the upper 40s. Northwest Winds 5 to 10 Mph.

Tonight 20 Apr Warren

Mostly clear. Cold with Lows in the mid 20s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stewartsville Temperature Statistics

April Temperature

Allentown, Lehigh Valley International Airport (17.4 miles)

  • Lowest 8 April, 2026

    24.7 °F

  • Average April

    56.6 °F

  • Highest 16 April, 2026

    89.7 °F

Climate (2021–Present)

Allentown, Lehigh Valley International Airport (17.4 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.5 °F
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