Rio Vista Park Weather Forecast

    • 58
    • 79

    Mostly Cloudy

    • 58
    • 75

    Chance Rain Showers

    • 57
    • 70

    Rain Showers Likely

    • 50
    • 67

    Chance Rain Showers

    • 50
    • 68

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

Today 9 Apr Orange County Inland

Patchy fog this morning. Partly cloudy. Highs 76 to 80. Areas of Winds south to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

Tonight 9 Apr Orange County Inland

Partly cloudy. Patchy fog overnight. Lows 54 to 58. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Vista Park Temperature Statistics

April Temperature

Fullerton, Fullerton Municipal Airport (6.8 miles)

  • Lowest 4 April, 2026

    52.6 °F

  • Average April

    68.9 °F

  • Highest 4 April, 2026

    91.7 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    66.4 °F

  • Average High 2021–2026

    76.8 °F
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