Seaside Weather Forecast

    • 53
    • 71

    Increasing Clouds

    • 53
    • 66

    Mostly Cloudy

    • 54
    • 67

    Mostly Cloudy

    • 54
    • 66

    Mostly Cloudy

    • 57
    • 65

    Rain Showers

    • 56
    • 64

    Rain Showers

Today 19 Dec Los Angeles County Beaches

Areas of low Clouds and fog in the morning then partly cloudy. Highs in the upper 60s to mid 70s.

Tonight 19 Dec Los Angeles County Beaches

Partly cloudy early then low Clouds and fog. Lows in the mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seaside Temperature Statistics

December Temperature

Torrance, Zamperini Field Airport (1.9 miles)

  • Lowest 5 December, 2025

    46.4 °F

  • Average December

    61.8 °F

  • Highest 9 December, 2025

    80.6 °F

Climate (2020–Present)

Torrance, Zamperini Field Airport (1.9 miles)

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  • Average Low 2020–2025

    55.9 °F

  • Average 2020–2025

    65.6 °F

  • Average High 2020–2025

    71.9 °F
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