Oceana Weather Forecast

    • 65
    • 78

    Increasing Clouds

    • 65
    • 77

    Increasing Clouds

    • 64
    • 75

    Partly Sunny

    • 65
    • 76

    Mostly Sunny

    • 66
    • 81

    Mostly Sunny

    • 68
    • 83

    Partly Sunny

    • 68
    • 83

    Partly Sunny

Today 19 Sep San Diego County Coastal Areas

Partly cloudy in the morning. Becoming mostly sunny. Highs 78 to 83 near the coast to 84 to 88 inland.

Tonight 19 Sep San Diego County Coastal Areas

Partly cloudy this evening. Becoming cloudy. Lows 61 to 65. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oceana Temperature Statistics

September Temperature

Oceanside, Oceanside Municipal Airport (1.2 miles)

  • Lowest 3 September, 2026

    56.6 °F

  • Average September

    75.1 °F

  • Highest 7 September, 2026

    100.7 °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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