Oceanside Boulevard Beach Weather Forecast

    • 54
    • 63

    Patchy Fog

    • 56
    • 63

    Patchy Fog

    • 57
    • 68

    Mostly Sunny

    • 56
    • 66

    Partly Sunny

    • 55
    • 64

    Patchy Fog

    • 55
    • 64

    Mostly Cloudy

    • 55
    • 64

    Mostly Cloudy

Today 16 Dec San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Highs 66 to 70 near the coast to 71 to 74 inland. Light Winds becoming west to 10 Mph this afternoon.

Tonight 16 Dec San Diego County Coastal Areas

Partly cloudy. Patchy fog. Lows 49 to 53. Light Winds.

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  • Temperature Forecast NOAA

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Oceanside Boulevard Beach Temperature Statistics

December Temperature

Oceanside, Oceanside Municipal Airport (2.5 miles)

  • Lowest 2 December, 2025

    41 °F

  • Average December

    61.1 °F

  • Highest 9 December, 2025

    79 °F

Climate (2020–Present)

Oceanside, Oceanside Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    52.8 °F

  • Average 2020–2025

    62.3 °F

  • Average High 2020–2025

    71.6 °F
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