O'Neill Lake Weather Forecast

    • 43
    • 72

    Mostly Sunny

    • 47
    • 74

    Mostly Sunny

    • 50
    • 75

    Partly Sunny

    • 45
    • 72

    Partly Sunny

    • 45
    • 71

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

    • 44
    • 68

    Mostly Sunny

Today 26 Jan San Diego County Inland Valleys

Partly cloudy in the morning. Becoming mostly sunny. Highs around 71 in the western Valleys to 65 to 70 near the Foothills. Areas of Winds east 15 to 20 Mph with Gusts to 30 Mph becoming west with Gusts to 25 Mph in the afternoon.

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O'Neill Lake Temperature Statistics

January Temperature

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

  • Lowest 4 January, 2022

    41 °F
  • Average January

    60.1 °F
  • Highest 10 January, 2022

    77 °F

Climate (2010–Present)

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

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  • Average Low 2010–Present

    53.4 °F
  • Average 2010–Present

    63.3 °F
  • Average High 2010–Present

    73.8 °F
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