Oceanside Pier Weather Forecast

    • 56
    • 66

    Mostly Sunny

    • 55
    • 64

    Partly Sunny

    • 55
    • 62

    Mostly Cloudy

    • 55
    • 64

    Mostly Cloudy

    • 56
    • 63

    Mostly Cloudy

    • 58
    • 62

    Rain Likely

Today 18 Dec San Diego County Coastal Areas

Mostly sunny. Warmer. Highs 69 to 74 near the coast to 76 to 81 inland. Areas of Winds northeast to 10 Mph becoming west 10 Mph this afternoon.

Tonight 18 Dec San Diego County Coastal Areas

Mostly clear. Lows 51 to 55. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oceanside Pier Temperature Statistics

December Temperature

Oceanside, Oceanside Municipal Airport (2.5 miles)

  • Lowest 2 December, 2025

    41 °F

  • Average December

    60.3 °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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