Bolsa Bay Weather Forecast

    • 68
    • 78

    Partly Sunny

    • 69
    • 75

    Chance Rain Showers

    • 69
    • 75

    Chance Thunderstorms

    • 67
    • 74

    Slight Chance Thunderstorms

    • 67
    • 74

    Partly Sunny

    • 67
    • 74

    Patchy Fog

Today 16 Sep Orange County Coastal

Partly cloudy with patchy fog this morning. Becoming sunny. Warmer. Highs 78 to 83 at the Beaches to 84 to 89 farther inland and near higher coastal Terrain. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 16 Sep Orange County Coastal

Mostly clear in the evening. Becoming partly cloudy. Lows around 67. Areas of Winds west 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Bolsa Bay Temperature Statistics

September Temperature

Los Alamitos Army Airfield (5.6 miles)

  • Lowest 11 September, 2025

    61.7 °F

  • Average September

    71.7 °F

  • Highest 3 September, 2025

    86.5 °F

Climate (2020–Present)

Los Alamitos Army Airfield (5.6 miles)

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  • Average Low 2020–2025

    54.3 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    73.2 °F
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