San Joaquin Reservoir Weather Forecast

    • 56
    • 86

    Mostly Sunny

    • 54
    • 70

    Mostly Sunny

    • 52
    • 67

    Partly Sunny

    • 56
    • 72

    Sunny

    • 59
    • 80

    Sunny

    • 57
    • 78

    Partly Sunny

Today 8 Mar Orange County Coastal

Sunny, warmer. Highs 82 to 86 at the Beaches to 86 to 89 farther inland and near higher coastal Terrain. Areas of Winds east 10 to 15 Mph with Gusts to 25 Mph.

Tonight 8 Mar Orange County Coastal

Mostly clear in the evening. Becoming partly cloudy. Lows around 54. Areas of Winds southeast 10 to 20 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Joaquin Reservoir Temperature Statistics

March Temperature

John Wayne-Orange County Airport (4.3 miles)

  • Lowest 3 March, 2026

    54 °F

  • Average March

    62.7 °F

  • Highest 1 March, 2026

    80.1 °F

Climate (2021–Present)

John Wayne-Orange County Airport (4.3 miles)

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  • Average Low 2021–2026

    58.9 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    73.5 °F
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