Oceanside Weather Forecast

    • 52
    • 62

    Partly Sunny

    • 54
    • 64

    Partly Sunny

    • 54
    • 64

    Partly Sunny

    • 53
    • 63

    Partly Sunny

    • 49
    • 62

    Mostly Sunny

    • 51
    • 64

    Partly Sunny

    • 51
    • 63

    Mostly Cloudy

Today 11 Dec San Diego County Coastal Areas

Partly cloudy in the morning. Becoming mostly sunny. Highs 63 to 68. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oceanside Temperature Statistics

December Temperature

Oceanside, Oceanside Municipal Airport (1.9 miles)

  • Lowest 1 December, 2019

    44.1 °F
  • Average December

    57.3 °F
  • Highest 6 December, 2019

    71.1 °F

Climate (2010–Present)

Oceanside, Oceanside Municipal Airport (1.9 miles)

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  • Average Low 2010–Present

    53.9 °F
  • Average 2010–Present

    62.8 °F
  • Average High 2010–Present

    71.9 °F
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