Oceanside Boulevard Beach Weather Forecast

    • 67
    • 71

    Mostly Sunny

    • 69
    • 73

    Partly Sunny

    • 69
    • 74

    Chance Rain Showers

    • 69
    • 74

    Chance Rain Showers

    • 68
    • 73

    Slight Chance Thunderstorms

    • 68
    • 72

    Patchy Fog

    • 68
    • 72

    Mostly Sunny

Today 15 Sep San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 72 to 77 near the coast to 79 to 84 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 15 Sep San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 63 to 67. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oceanside Boulevard Beach Temperature Statistics

September Temperature

Oceanside, Oceanside Municipal Airport (2.5 miles)

  • Lowest 13 September, 2025

    57.9 °F

  • Average September

    70 °F

  • Highest 2 September, 2025

    82 °F

Climate (2020–Present)

Oceanside, Oceanside Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    62.3 °F

  • Average High 2020–2025

    71.8 °F
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