O'Neill Lake Weather Forecast

    • 53
    • 66

    Slight Chance Rain

    • 53
    • 64

    Slight Chance Rain

    • 53
    • 67

    Mostly Cloudy

    • 50
    • 70

    Partly Sunny

    • 52
    • 73

    Patchy Fog

    • 54
    • 77

    Patchy Fog

    • 54
    • 77

    Patchy Fog

Today 24 Apr San Diego County Inland Valleys

Mostly cloudy this morning with patchy fog and drizzle and a slight chance of Showers, then mostly sunny this afternoon. Highs 63 to 68. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph this afternoon. Chance of measurable precipitation 20 percent.

Tonight 24 Apr San Diego County Inland Valleys

Cloudy. A chance of rain overnight. Patchy fog overnight. Lows 41 to 51. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph this evening. Chance of measurable precipitation 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

O'Neill Lake Temperature Statistics

April Temperature

Oceanside, Camp Pendleton, Marine Corps Air Station (2.5 miles)

  • Lowest 6 April, 2024

    42.1 °F

  • Average April

    58.8 °F

  • Highest 9 April, 2024

    80.1 °F

Climate (2019–Present)

Oceanside, Camp Pendleton, Marine Corps Air Station (2.5 miles)

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  • Average Low 2019–2024

    53.7 °F

  • Average 2019–2024

    63.6 °F

  • Average High 2019–2024

    73.7 °F
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