South Jetty Beach Weather Forecast

    • 67
    • 74

    Rain Showers

    • 67
    • 73

    Rain Showers

    • 62
    • 71

    Chance Rain Showers

    • 61
    • 72

    Partly Sunny

    • 62
    • 73

    Mostly Cloudy

    • 63
    • 75

    Cloudy

    • 61
    • 74

    Mostly Sunny

Today 17 Sep Ventura County Beaches

Partly cloudy in the Morning, becoming mostly cloudy with a 20 percent chance of Showers in the afternoon. Highs from the lower to mid 70s at the Beaches to the lower to mid 80s inland.

Tonight 17 Sep Ventura County Beaches

A slight chance of Showers in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the mid 60s to around 70. West Winds around 15 Mph in the evening. Chance of precipitation 70 percent.

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South Jetty Beach Temperature Statistics

September Temperature

Oxnard, Oxnard Airport (4.3 miles)

  • Lowest 7 September, 2025

    57.9 °F

  • Average September

    67.9 °F

  • Highest 1 September, 2025

    77 °F

Climate (2020–Present)

Oxnard, Oxnard Airport (4.3 miles)

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  • Average Low 2020–2025

    53.6 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    68.3 °F
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