Fullerton Weather Forecast

    • 49
    • 68

    Chance Rain Showers

    • 34
    • 65

    Slight Chance Thunderstorms

    • 34
    • 60

    Mostly Sunny

    • 39
    • 63

    Partly Sunny

    • 50
    • 63

    Mostly Cloudy

    • 57
    • 77

    Partly Sunny

Today 23 Apr Lehigh

Mostly sunny. Near steady temperature in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Apr Lehigh

Mostly cloudy. A chance of Showers after midnight. Not as cool with Lows in the upper 40s. South Winds 10 to 15 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fullerton Temperature Statistics

April Temperature

Allentown, Lehigh Valley International Airport (1.2 miles)

  • Lowest 8 April, 2024

    30.8 °F

  • Average April

    52.3 °F

  • Highest 9 April, 2024

    77.6 °F

Climate (2019–Present)

Allentown, Lehigh Valley International Airport (1.2 miles)

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  • Average Low 2019–2024

    44.4 °F

  • Average 2019–2024

    53.9 °F

  • Average High 2019–2024

    63.5 °F
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