Irby Park Weather Forecast

    • 69
    • 79

    Rain Showers Likely

    • 69
    • 80

    Rain Showers Likely

    • 67
    • 77

    Slight Chance Thunderstorms

    • 66
    • 78

    Partly Sunny

    • 67
    • 80

    Partly Sunny

    • 69
    • 81

    Patchy Fog

    • 67
    • 80

    Mostly Sunny

Today 17 Sep Orange County Coastal

Partly cloudy this morning. Becoming mostly cloudy. Highs 75 to 78 at the Beaches to 79 to 83 farther inland and near higher coastal Terrain. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 17 Sep Orange County Coastal

Mostly cloudy with a slight chance of Thunderstorms. A chance of Showers. Lows 66 to 69. Areas of Winds west to 10 Mph this evening becoming light. Chance of measurable precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Irby Park 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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