Syphon Reservoir Weather Forecast

    • 41
    • 55

    Rain Showers Likely

    • 43
    • 60

    Mostly Sunny

    • 47
    • 68

    Sunny

    • 47
    • 71

    Mostly Sunny

    • 47
    • 65

    Rain Showers Likely

    • 48
    • 61

    Chance Rain Showers

Today 6 Mar Orange County Inland

Mostly cloudy with a chance of Showers. Highs 54 to 58. Areas of Winds west 10 to 20 Mph with Gusts to 30 Mph. Chance of measurable precipitation 50 percent.

Tonight 6 Mar Orange County Inland

Mostly cloudy with Showers likely in the Evening, then partly cloudy with a slight chance of Showers overnight. Lows around 40. Areas of Winds west 10 Mph in the evening becoming light. Chance of measurable precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Syphon Reservoir Temperature Statistics

March Temperature

John Wayne-Orange County Airport (8.1 miles)

  • Lowest 3 March, 2025

    52 °F

  • Average March

    58.8 °F

  • Highest 4 March, 2025

    64.9 °F

Climate (2020–Present)

John Wayne-Orange County Airport (8.1 miles)

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  • Average Low 2020–2025

    58.9 °F

  • Average 2020–2025

    65.8 °F

  • Average High 2020–2025

    73.7 °F
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