Fullerton Weather Forecast

    • 56
    • 74

    Slight Chance Thunderstorms

    • 63
    • 79

    Rain Showers Likely

    • 58
    • 83

    Chance Rain Showers

    • 52
    • 70

    Rain Showers

    • 47
    • 64

    Rain Showers Likely

    • 47
    • 64

    Chance Rain Showers

Today 6 May Lehigh

Cloudy. Patchy fog in the morning. A slight chance of Showers and Thunderstorms in the afternoon. Much warmer with Highs in the lower 70s. East Winds around 5 Mph, becoming southwest in the afternoon. Chance of rain 20 percent.

Tonight 6 May Lehigh

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Patchy fog. Near steady temperature in the mid 50s. Northeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fullerton Temperature Statistics

May Temperature

Allentown, Lehigh Valley International Airport (1.2 miles)

  • Lowest 3 May, 2024

    50 °F

  • Average May

    64.6 °F

  • Highest 2 May, 2024

    82.9 °F

Climate (2019–Present)

Allentown, Lehigh Valley International Airport (1.2 miles)

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  • Average Low 2019–2024

    44.3 °F

  • Average 2019–2024

    53.9 °F

  • Average High 2019–2024

    63.5 °F
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