East Side Capistrano Weather Forecast

    • 71
    • 96

    Mostly Sunny

    • 69
    • 93

    Mostly Sunny

    • 72
    • 90

    Mostly Sunny

    • 71
    • 89

    Mostly Sunny

    • 69
    • 85

    Mostly Sunny

    • 68
    • 83

    Partly Sunny

    • 66
    • 79

    Mostly Cloudy

Today 4 Oct San Diego County Coastal Areas

Mostly cloudy in the morning. Becoming partly cloudy. Highs 73 to 77 near the coast to 80 inland.

Tonight 4 Oct San Diego County Coastal Areas

Mostly clear. Lows 72 to 75. Light Winds becoming northeast 10 Mph overnight.

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East Side Capistrano Temperature Statistics

October Temperature

Oceanside, Oceanside Municipal Airport (1.2 miles)

  • Lowest 2 October, 2026

    59 °F

  • Average October

    72.5 °F

  • Highest 2 October, 2026

    91 °F

Climate (2021–2026)

Oceanside, Oceanside Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    72.3 °F
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