Rancho Santa Margarita Weather Forecast

    • 59
    • 82

    Sunny

    • 60
    • 84

    Mostly Sunny

    • 57
    • 79

    Mostly Cloudy

    • 54
    • 72

    Mostly Cloudy

    • 54
    • 72

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

Today 3 Feb Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Local visibility one quarter mile or less at Times this morning. Highs 80 to 84. Areas of Winds northwest to 10 Mph. Gusts to 25 Mph this morning.

Tonight 3 Feb Orange County Inland

Clear. Lows 54 to 59. Areas of Winds northeast 10 to 20 Mph. Gusts to 25 Mph. Becoming 35 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rancho Santa Margarita Temperature Statistics

February Temperature

John Wayne-Orange County Airport (14.9 miles)

  • Lowest 1 February, 2026

    53.1 °F

  • Average February

    64.9 °F

  • Highest 1 February, 2026

    79 °F

Climate (2021–Present)

John Wayne-Orange County Airport (14.9 miles)

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  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    73.4 °F
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