Rivera Park Weather Forecast

    • 61
    • 74

    Chance Rain Showers

    • 60
    • 70

    Rain

    • 57
    • 70

    Slight Chance Rain Showers

    • 59
    • 76

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 57
    • 74

    Mostly Sunny

Today 30 Oct Los Angeles County San Gabriel Valley

Cloudy with a 40 percent chance of rain. Highs in the upper 60s to mid 70s.

Tonight 30 Oct Los Angeles County San Gabriel Valley

Mostly cloudy. A chance of rain in the Evening, then a slight chance of rain after midnight. Lows in the mid 50s to around 60. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rivera Park Temperature Statistics

October Temperature

Fullerton, Fullerton Municipal Airport (8.7 miles)

  • Lowest 13 October, 2026

    53.7 °F

  • Average October

    75.7 °F

  • Highest 3 October, 2026

    105.7 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    57.3 °F

  • Average 2021–2026

    66.8 °F

  • Average High 2021–2026

    77 °F
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