Riverview Weather Forecast

    • 70
    • 83

    Rain Showers Likely

    • 69
    • 84

    Rain Showers Likely

    • 68
    • 83

    Slight Chance Thunderstorms

    • 67
    • 84

    Mostly Sunny

    • 70
    • 85

    Partly Sunny

    • 69
    • 88

    Partly Sunny

Today 17 Sep Orange County Inland

Partly cloudy this morning. Becoming mostly cloudy. Highs around 82 towards the coast to 83 to 86 farther inland. Areas of Winds west to 10 Mph.

Tonight 17 Sep Orange County Inland

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers overnight. Lows 66 to 70. Areas of Winds southwest 10 Mph in the evening becoming light. Chance of measurable precipitation 50 percent.

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  • Temperature Forecast NOAA

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Riverview Temperature Statistics

September Temperature

John Wayne-Orange County Airport (5.6 miles)

  • Lowest 12 September, 2025

    64.9 °F

  • Average September

    72.6 °F

  • Highest 3 September, 2025

    86 °F

Climate (2020–Present)

John Wayne-Orange County Airport (5.6 miles)

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  • Average Low 2020–2025

    58.7 °F

  • Average 2020–2025

    65.7 °F

  • Average High 2020–2025

    73.6 °F
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